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Jurnal Darma Agung
Published by Universitas Darma Agung
ISSN : 08527296     EISSN : 26543915     DOI : -
Core Subject : Humanities, Science, Education, Social, Engineering,
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Social Sciences
Journal Focus of the Darma Agung Journal is multidisciplinary research to the lecturers, students and related institutions, especially in Indonesia which leads to an increasing in Indonesian Human Development Index. The scope includes collection of the results of research, studies or community service activities that elaborate the field of Management in general. The Scopes is Office Management, Secretary Management, Business Management, Human Resource Management, Financial Management, Education Management, Financial Management, Law, Engineering, Nursing, Agricultural, Social Science.
Arjuna Subject : Umum - Umum
Articles 737 Documents
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Pengaruh Tekanan Screw Press Pada Proses Pengepresan Daging Buah Menjadi Crude Palm Oil T Hasballah; Enzo W.B Siahaan
Jurnal Darma Agung Vol 26 No 3 (2018): DESEMBER 2018
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (850.116 KB)

Abstract

One of the tools used in the pressing system is screw press, which is useful for separating oil from fruit flesh. In this process the fruit enters and is ground by a threaded shaft or worm screw press which carries and suppresses the fruit mass that is put into the press cage. On the other hand there is a hydraulic system in the form of cone-shaped rods at the ends which serve to narrow the entry and exit of fruit masses. This results in the fruit being pressed and pressed so that the oil comes out of the fruit flesh. Due to the large amount of palm oil losses that occur in the pressing process, it can therefore reduce the yield of Crude Palm Oil (CPO) produced. From this explanation it can be concluded that the hydraulic pressure on the screw press unit is very important to note so that the loss of palm oil can be reduced as small as possible where the hydraulic pressure set is equal to 50-60 Bar. As for the maintenance of the equipment, it is necessary to know the amount of pressure that occurs in the press cage, which is caused by the fruit pulp style and the force that occurs in the worm screw press so that a comparison between the hydraulic pressure and the pressure that occurs in the screw press is obtained.
STUDI PENYEBAB TERJADINYA LONGSOR PADA JALAN PROVINSI LINTAS SIPAHUTAR-PANGARIBUAN DESA SIABAL-ABAL II Semangat Marudut Tua Debataraja; Jubel Pardede
Jurnal Darma Agung Vol 28 No 1 (2020): APRIL 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1005.204 KB) | DOI: 10.46930/ojsuda.v28i1.457

Abstract

The problem of the level of influence of soil carrying capacity is one of the things needed to be considered in a planning and work of a civil construction. This is because the soil serves as a medium that withstands the load or action of the construction built on it. Stabilization using sand materials is one way to meet the necessary power requirements. Weather and temperature changes in the field are factors making the ground unstable. Type of stabilized soil is silt originating from jl.Pancasila Batangkuis Regency Deliserdang. This research was conducted using mixed sand with mixed variations of 25%, 40%, 55% and 65%. Then, DST testing and Index properties were done for each sample. Based on the results of this test the soil obtained classification According to AASHTO criteria that is that this land including silt land or with a general assessment as the soil very well up to very well. This is because the plasticity (PI) of the soil sample is 8.69 <10% (max 10) and the plastic limit (PL) is 19.18% <30% and (LL) 27.87% <40% so it is included in group A-2 -4. According to the criteria of USCS (1982), based on the results of the test, soil classification obtained is a type of soil sand (LL) 8.69% <50% so it includes the ML cohort. The increase of soil bearing capacity based on test results by modeling with square foundation is as follows: Original soil qu = 6.46 t / m², Sand Supplement 25% = 6,665 t / m², Sand Supplement 40% = 9,888 t / m², Sand Supplement 55 % = 12,231 t / m², Sand Supplement 65% = 12,273 t / m² and for the foundation of path shape are: Original soil qu = 5,140 t / m², Sand Supplement 25% = 5,175 t / m², Sand Supplement 40% = 7,776 t / m², Sand Supplement 55% = 9,918 t / m², Sand Additional 65% = 14,870 t / m². The more variation of the added sand mixture results in decreasing moisture content which will make the soil carrying capacity increase.
THE ANALYSIS OF LAKE TOBA POTENTIAL AS MICE TOURISM DESTINATIONS FOR INCENTIVE FIELD IN NORTH SUMATERA Asmah Kartika Dalimunthe
Jurnal Darma Agung Vol 27 No 1 (2019): APRIL 2019
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

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Abstract

This study aims to find out and analyze the potential of MICE tourism in the incentive field at Lake Toba Samosir, North Sumatra. This research uses descriptive qualitative method; it is included in survey research. The results of the discussion of the research that has been carried out are: (1) Increasing facilities and infrastructure to support tourist activities (2) There are not many tourist activities so that tourists are likely to only have 1 to 2 days so that MICE tourism in the incentive sector can increase even more. (3) The Government has carried out MICE Tourism activities by carrying out annual activities such as the 2014 Lake Toba Party that can increase tourist visits to the Toba Samosir area so that MICE Tourism can be carried out well. (4) The hotel is ready to face MICE Tourism but hotel managers still need training and socialization for MICE Tourism so that hotel managers and tourism players can promote hotels to increase occupancy rates. Recommendations for increasing MICE tourism potential are: (1) Quality improvement of facilities and supporting infrastructure (2) Tourists activities ,ust be mopre diversified so the guests do not feel bored and immediately return home or immediately continue their visit to other areas, (3) The role of the government has been very good for advancing MICE Tourism in the Toba Samosir area, it would be even better if it could create an annual activity agenda such as a Sports Tournament, motorcycle crossing, mountain bike, trekking, 10 km marathon run, music concert, Batak Opera and National Culture others from various regions, proficiency shows, entertainment programs, people's harvest parties, and others. (4) To advance MICE tourism, tour operators and hotel managers still need training and dissemination of MICE implementation
PRELIMINARY RESEARCH THE EFFECT OF NAA AND BAP ON CALLUS OF BANANA (Musa acuminata L) WITH ADDITION OF FUSARIUM WILT DISEASE FROM Fusarium oxysporum f.sp.cubense (Foc) Bilter A. Sirait; Nur Synta Napitupulu; Agnes Imelda Manurung
Jurnal Darma Agung Vol 26 No 3 (2018): DESEMBER 2018
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

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Abstract

THE EFFECTS OF NAA AND BAP ON Callus OF BANANA (Musa acuminata L) WITH THE ADDITION OF FUSARIUM WILT DISEASE FROM Fusarium oxysporum f.sp.cubense (Foc). This research was conducted on January to June 2016, at Tissue Culture Laboratory of Dinas Tanaman Pangan dan Hortikultura of North Sumatera Province, Jl.Karya Jasa No.6 Gedung Johor, Medan. The purpose of this research is to know the response of banana barangan callus (Musa acuminate L.) to fusarium (Fusarium oxysporum f. Sp.Cubens). The living callus is subsequently subcultured for organogenesis purposes by treatment of NAA and BAP. The research use Completely Random Design with two factors that is NAA and BAP. NAA consists of 3 levels: N1 = 1 ppm, N2 = 1.5 ppm and N3 = 2 ppm. The second factor using BAP consists of 3 levels: BA1 = 1.5 ppm, BA2 = 3 ppm and BA3 = 3.5 ppm. The results showed that the percentage of live callus after fusarium addition was only 33.33%, interaction of NAA and BAP did not significantly affect the percentage of live plantlets and wet weight of banana plantlet. The highest percentage of live plantlet on aged 9 - 13 week after subculture and the highest wet weight of planlet found on N1(1 ppm) each 7.05 % and 3.62 g, while the highest percentage of live plantlets on aged 9 - 13 Week after subculture and the highest wet weight of plantlet found on BA1 (1,5 ppm) each 5.69 % and 3.38 g. The treatment combinations that gave the highest percentage of planlets live and wet weight of planlet were N1BA1 and N1BA2.
KOMUNIKASI PEMBERDAYAAN DISNAKERKOPERINDAG DALAM PENINGKATAN DAYA SAING EKONOMI BANGSA BERWAWASAN GENDER PADA PETANI ANDALIMAN DI KABUPATEN SAMOSIR simbolon, besti rohana; Panjaitan, Doli Tua Mulia Raja
JURNAL DARMA AGUNG Vol 27 No 3 (2019): DESEMBER 2019
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (789.081 KB) | DOI: 10.46930/ojsuda.v27i3.375

Abstract

This research is aimed to know the power of communication of Disnakerkoperindag Samosir Sub-district and its Agent in Increasing the Economic Competition based on Gender in the Andaliman farmer in the Samosir Sub-district. This research apply the Descriptive Qualitative research approach with research informant from the agent of the empower who is the Head of Koperasi Division, Koperasi of Industrial and Commerce, and the chairperson of Samandali Community, including the female Andaliman farmer society. The informant is defined by purposively sampling. The data taken by observation, interview, and documentation. In this research, it is found that DISNAKERKOPERINDAG of Samosir Sub-district had done the communication empowering bsed on gender to the subject of UMKM. Communication empowering used the model of AIDDA. Communication empowering based on gender is successful because of there is an interactional and transactional communication from the AIDDA model of communication. By this empowering, the facilitator is able to communicate with no fear in the social sytem of Batak culture which is formerly it is a taboo to have a close or intense communication in a male instructor to any of his female members finally female farmers could set her self realizing, attention, and motivation to do as what it is instructed by the instructor so that the Andaliman harvest successful.
ANALISIS STRATEGI PENGEMBANGAN DIGITAL TOURISM SEBAGAI PROMOSI PARIWISATA DI TOBA SAMOSIR Dewi Yanti
Jurnal Darma Agung Vol 27 No 1 (2019): APRIL 2019
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

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Abstract

The tourism sector is one sector that has great potential to increase state and regional revenues. For this reason, development is needed in developing tourism in Indonesia. One program from the government to increase the number of tourists is to prioritize tourism development in 10 new Bali tourist destinations and one of them is Tourism in Lake Toba. Toba Samosir Regency is one of the districts located around the Toba Lake area that has interesting tourist objects and it can be visited by tourists. Utilizing information technology as a medium of promotion through digital tourism can increase the number of tourist visiting to the area. The purpose of this research is to see and analyze the development of digital tourism in Toba Samosir as one of the ways to develop tourism in Toba Samosir. The analytical method used in this study is the SWOT analysis method by looking at internal factors (strengths and weaknesses) and external factors (opportunities and security) calculated in the development of digital tourism at Toba Samosir. The results of this study can be used by the government or related parties in determining the direction of tourism development in digital tourism.
Pengaruh Audit Internal Terhadap Efektivitas Pengendalian Intern Persediaan Barang Pada PT Swastikalautan Nusa Persada Medan Simanjuntak, Torang Partogi
JURNAL DARMA AGUNG Vol 26 No 1 (2018): AGUSTUS 2018
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

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Abstract

PENGARUH INTERNAL AUDIT TERHADAP EFEKTIVITAS PENGENDALIAN INTERN PERSEDIAAN BARANG PADA PT.SWASTIKALAUTAN NUSAPERSADA MEDAN Oleh : Torang P. Simanjuntak Dosen Fakultas Ekonomi Universitas Darma Agung ABSTRAK Setiap perusahaan mempunyai tujuan untuk memperoleh laba yang optimal dengan menggunakan segala kemampuan, metode-metode dan alat-alat yang dimilikinya. Untuk mencapai tujuan tersebut, perusahaan perlu mengendalikan segala kegiatan yang ada di dalam perusahaan. Dengan demikian, perusahaan harus menyadari perlunya melaksanakan manajemen yang baik dengan menerapkan pengendalian intern yang memadai. Pentingnya pengendalian intern ini selain karena semakin besar dan kompleksnya operasi perusahaan, juga karena pengendalian intern merupakan suatu metode dan prosedur yang secara langsung maupun tidak langsung dapat meminimalkan segala bentuk kecurangan dan penyelewengan yang dapat merugikan perusahaan. Tujuan pengendalian intern dapat tercapai jika unsurunsur pengendalian intern benar-benar dipenuhi dan agar pengendalian berjalan efektif dan efisien, diperlukan bagian internal audit yang mengawasi dan mengevaluasi efektivitas pengendalian intern persediaan barang. Penelitian ini dilakukan di PT.Swastikalautan Nusapersada Medan. Metode pengumpulan data yang digunakan adalah dengan penelitian kepustakaan dan penelitian lapangan. Model analisis data yang digunakan adalah deskriptif statistik, regresi linier sederhana dengan uji asumsi klasik yang digunakan dalam penelitian ini adalah uji normalitas dan uji heteroskedastisitas. Pengujian hipotesis yang digunakan adalah uji-t dan koefisien determinan (R²). Hasil penelitian ini menunjukkan bahwa internal audit berpengaruh signifikan terhadap efektivitas pengendalian intern persediaan barang pada PT.Swastikalautan Nusapersada Medan, dimana nilai thitung (7,681) > ttabel (2,069) dengan tingkat signifikansi 0,000 < 0,05. Hasil koefisien determinasi menunjukkan bahwa persentase pengaruh variabel independen (internal audit) nilai r square sebesar 0,72 sedangkan sisanya 28% dipengaruhi oleh variabel lain dan nilai r adalah 0,848 berarti hubungan (relation) antara internal audit (X) dengan efektivitas pengendalian intern persediaan barang (Y) sebesar 0,848 berarti hubungannya sangat erat. Hasil persamaan regresi linier sederhana dalam penelitian ini adalah Y = 4,334 + 0,914X yang dimana jika peranan internal audit ditingkatkan sebesar satu satuan, maka penerapan efektivitas pengendalian intern persediaan barang akan meningkat sebesar 0,914. Kata kunci : Internal Audit, Efektivitas Pengendalian Intern Persediaan Barang
PENINGKATAN PENGETAHUAN KONSEPTUAL SISWA DENGAN MENGGUNAKAN MODEL PROBLEM BASED LEARNING IKA TRISNI SIMANGUNSONG; Dede Parsaoran Damanik; Jelita Panjaitan
Jurnal Darma Agung Vol 28 No 1 (2020): APRIL 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (189.717 KB) | DOI: 10.46930/ojsuda.v28i1.466

Abstract

This study aims at determining the students' conceptual knowledge improvement in using the Problem Based Learning model. This study is quasi-experimental with the design of the pretest-posttest group, in which the population is the tenth grade students of Yapim Taruna High School. The instrument in this study is in the form of essays that had been tested for validity, reliability, level of difficulty and different power. The results of this study show an improvement of students' conceptual knowledge in the experimental class by using a model of problem based learning is better than the control class
PENGARUH DISIPLIN KERJA, KEMAMPUAN PERSONAL DAN GAYA KEPEMIMPINAN TERHADAP KINERJA KARYAWAN UNIVERSITAS DARMA AGUNG MEDAN Sinaga, Dearma Sariani
JURNAL DARMA AGUNG Vol 26 No 1 (2018): AGUSTUS 2018
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

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Abstract

Penelitian ini dilakukan untuk mengetahui bagaimana pengaruh disiplin kerja, kemampuan personal dan gaya kepemimpinan terhadap kinerja karyawan Universitas Darma Agung Medan. Penelitian ini menggunakan empat variabel yang terdiri dari variabel terikat Kinerja Karyawan (Y), sedangkan variabel bebas yaitu Disiplin Kerja (X1), Kemampuan Personal (X2), dan Gaya Kepemimpinan (X3). Jenis penelitian yang digunakan adalah explanatory research. Metode pengumpulan data dilakukan dengan kuesioner dan studi kepustakaan. Analisis data dilakukan dengan uji kualitas data (validitas dan reabilitas), uji asumsi klasik, uji t (uji parsial), uji F (uji simultan) dan uji R (Determinan). Pengolahan data menggunakan program SPSS. Hasil penelitian ini diperoleh bahwa : pengaruh disiplin kerja, kemampuan personal, dan gaya kepemimpinan secara bersama-sama terhadap kinerja karyawan Universitas Darma Agung Medan positif dan signifikan (R) 0.975 dan koefesien determinan (Adjusted Rsquare) sebesar 0, 948. Hal ini berarti Kinerja Karyawan (Y) dipengaruhi sebesar 94,80% oleh disiplin kerja(X1), kemampuan personal (X2), dan gaya kepemimpinan (X3) secara bersama-sama. Persamaan regresinya adalah Y = 11,069 + 0,147X1 + 0,338X2 + 0,686X3.
PENGARUH INSENTIF DAN KOMUNIKASI TERHADAP KINERJA KARYAWAN PADA PT ASIA KARET Shandy Gunawan; Nicholas Tanuwijaya; Octavia Paulus; Linda Linda
Jurnal Darma Agung Vol 27 No 2 (2019): AGUSTUS 2019
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (543.426 KB) | DOI: 10.46930/ojsuda.v27i2.235

Abstract

The researcher took the object of research from PT. Asia Karet, the selection of objects is caused by a decrease in employee performance Employee performance is the result of work that becomes a benchmark for employees. Employee performance is influenced by several factors including communication and incentives. Communication within the company must run well both vertically and horizontally to reduce misinformation in working both orders from superiors or information between coworkers. Communication has an important role in efforts to achieve organizational goals, so it can be said that the success or failure of an organization is largely determined by the quality of communication possessed by people in the organization concerned. The population used was 67 people with sampling using saturated sampling and 30 employees to test validity taken from other companies. The research method used is a quantitative approach, a type of quantitative descriptive research. Methods of collecting data with interviews, questionnaires and documentation studies. The analytical method used is multiple linear regression, simultaneous coefficient of determination and testing (F-Test) with Fcount> Ftable (40,934> 3,080) and partially (Test-t) with the value for incentive variable t count> t table (3,037> 1,981) and communication ((2,932> 1,981). The results of the study show that incentives and communication simultaneously and partially have a positive and significant effect on the performance of employees at PT. Asia Karet

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