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All Journal Pro Bisnis JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan JCP (Jurnal Cahaya Pendidikan) Fakultas Keguruan dan Ilmu Pendidikan
Luqman Nur Hakim
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Arts Economics, Econometrics & Finance Education Environmental Science Mathematics Public Health Other

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Pengaruh Pengungkapan Corporate Social Responsibility (CSR) Dan Good Corporate Governance (GCG) Terhadap Nilai Perusahaan Dengan Profitabilitas Sebagai Variabel Pemoderasi Luqman Nur Hakim; Sri Lestari; Ekaningtyas Widiastuti; Meutia Karunia Dewi
Pro Bisnis Vol 12, No 2: Agustus 2019
Publisher : Universitas Amikom Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (309.258 KB) | DOI: 10.35671/probisnis.v12i2.870

Abstract

Mempertahankan suatu perusahaan agar tetap berjaya dalam persaingan usaha adalah mempertahankan keharmonisan khususnya dengan konsumen yang dilakukan dengan kegiatan Corporate Social Responsibility (CSR). Selain itu, upaya yang bisa diakukan adalah dengan menerapkan Good Corporate Governance (GCG) dalam aktivitas bisnis. CSR dan GCG dinilai mampu mendorong nilai perusahaan dengan menggunakan profitabilitas sebagai variabel pemoderasi. Maka dari itu penelitian ini berusaha untuk menganalisis pengaruh CSR dan GCG terhadap nilai perusahan dengan profitabilitas sebagai variabel pemoderasi. Sampel dalam penelitian ini adalah 55 perusahaan jasa sektor property & real estate yang terdaftar di Bursa Efek Indonesia periode 2014-2017. Berdasakan hasil analisis didapatkan bahwa (1) Corporate Social Responsibility (CSR) tidak berpengaruh terhadap nilai perusahaan (2) Good Corporate Governance (GCG) berpengaruh positif signifikan terhadap nilai perusahaan (3) Profitabilitas tidak dapat memoderasi pengaruh Corporate Social Responsibility (CSR)  terhadap nilai perusahaan (4) Profitabilitas dapat memperkuat pengaruh Good Corporate Governance (GCG) terhadap nilai perusahaan.
Efektifitas Abu Sekam Padi Dan Poly Aluminium Chloride Dalam Menurunkan Zat Warna Limbah Cair Industri Sasirangan Luqman Nur Hakim; Syarifudin A.; Sulaiman Hamzani
JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan Vol 13, No 2 (2016): Jurnal Kesehatan Lingkungan Volume 13 No. 2, Juli 2016
Publisher : Poltekkes Kemenkes Banjarmasin Jurusan Kesehatan Lingkungan Banjarbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (590.224 KB) | DOI: 10.31964/jkl.v13i2.32

Abstract

Abstract: Effectiveness Of Rice Husk Ash And Poly Aluminum Chloride In Reducing Exposure Colour Liquid Waste Industry Sasirangan. Sasirangan fabric industry is the textile of industry in Kalimantan Selatan produce wastewater of dyeing cloth sasirangan process that uses water as a primary adjuvant in stage process.The study aims to determine the effectiveness of rice husk ash and Poly Aluminium Chloridereduce levels of dyes in wastewater sasirangan "Oriens Handycraft". This study tested a laboratory scale with dose variation of rice husk ash and Poly Aluminium Chloride for reduced levels of dyes in wastewater sasirangan. The study design is a randomized pretest - posttest control group design. The population of the waste liquid fabric manufacturesasirangan results and samples are the waste from the manufacture of cloth sasirangan which represents the population. This study conduct statistical tests usingKruskal Wallis and Mann-Whitney Test.Theresultsofthestudyof color levels priorto treatment equal to 2,712 PtCo and after treatment ranges from 676.3 to 978.7 PtCo at a dose of 58 grams of rice husk ash; 59 g; 60 g; 61 g; 62 gr and Poly Aluminium Chloride 0.5 gr. For a dose of 58 grams of rice husk ash; 59 g; 60 g; 61 g; 62 gr and Poly Aluminium Chloride 1 g of color levels before treatment and after PtCo 1775 amounted to 227.7 PtCo ranges up to 240 PtCo. Rice husk ash and Poly Aluminium Chloride effective at pH 6.5 - 7. Results of normality test showed abnormal data. Kruskal Wallis test probability value 0.002 <0.05, there is a difference between the average dosing in the control group and the treatment group and the Mann-Whitney Test probability value of 0.009 (0.018 <0.05), the rice husk ash dosing and Poly Aluminium Chloride 1 g more effective than rice husk ash dosing and Poly Aluminium Chloride 0.5 g.Efforts government can do is provide the appropriate policy on effluent quality standards and attention to industrial waste disposal sasirangan. For the industry can manage its waste before waste into the environment. Keywords: SasiranganWaste; Materials coagulant; pH; Dyes
Development of contextual-based digital mathematics learning media for junior high school students Luqman Nur Hakim; Suryo Hartanto; Fitrah Amelia; Pardomuan Sitanggang
CAHAYA PENDIDIKAN Vol 9, No 1 (2023): JCP (Jurnal Cahaya Pendidikan) Fakultas keguruan dan Ilmu Pendidikan
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/chypend.v9i1.5351

Abstract

Learning Media used in the learning process is not optimal, students have difficulty in understanding mathematical concepts.Digital Learning media are needed according to the needs of students, which are easily accessible and support students in internal and external learning activities. The purpose of the research is to develop contextual-based digital mathematics learning media for Junior High School students that are valid, practical, and effective. Types of research, Research Development with ADDIE Development model: Analysis, Design, Development, Implementation and Evaluation. The study was conducted with students subject SMPN 51 Batam. Research instruments in the form of questionnaires of material experts, media experts, student response questionnaires, educator response questionnaires and learning outcomes test questions, were declared valid and reliable. Based on the results of the study, the development of Learning media achieved aspects of the validity of the material expert at 3.78 (very valid) and media expert 3.77 (very valid), small group trials 82.62 percent (practical) and the response of educators 90.83 percent (very practical). and aspects of media effectiveness 73.68 percent (effective). Based on the results of the study, it was concluded that contextual-based digital mathematics learning Media for Junior High School students that have been developed are valid, practical and effective, developed media can be chosen as an alternative for learning mathematics causes attractive and interactive design view, with contextual mathematics.
Co-Authors Ekaningtyas Widiastuti Fitrah Amelia Meutia Karunia Dewi Pardomuan Sitanggang SRI LESTARI Sulaiman Hamzani Suryo Hartanto Syarifudin A.