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On the Spectra of Commuting and Non Commuting Graph on Dihedral Group Abdussakir, Abdussakir; Elvierayani, Rivatul Ridho; Nafisah, Muflihatun
CAUCHY Vol 4, No 4 (2017): CAUCHY
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (816.995 KB) | DOI: 10.18860/ca.v4i4.4211

Abstract

Study about spectra of graph has became interesting work as well as study about commuting and non commuting graph of a group or a ring. But the study about spectra of commuting and non commuting graph of dihedral group has not been done yet. In this paper, we investigate adjacency spectrum, Laplacian spectrum, signless Laplacian spectrum, and detour spectrum of commuting and non commuting graph of dihedral group D2n
Evaluation Of Production Cost Control Using Flexible Budget And Direct-Cost Variance In Restaurant Lamongan Sport Center: Evaluation Of Production Cost Control Using Flexible Budget And Direct-Cost Variance In Restaurant Lamongan Sport Center Ghofur, Abdul; Agustina, Novianti; Elvierayani, Rivatul Ridho
Jurnal Mantik Vol. 3 No. 3 (2019): November: Manajemen, Teknologi Informatika dan Komunikasi (ManTIK)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Budgeting is a process of the preparatory phase required before the commencement of the preparation of the plan, the collection of necessary data and information, the division of the task of planning, the preparation of its own plan, the implementation and the plan until finally the stage of monitoring and evaluation of the results of implementing the plan. The hypothesis in this study is as follows: Suspected Cost Control Production using Efficient and Effective Flexible budget used in LA Restaurant. Suspected Cost Control Production using Direct Cost-Efficient and Effective Varian used at LA Restaurant. Suspected Cost Control Production using Flexible Budget and Direct-Cost Efficient and Effective Variant used in LA Restaurant. The results showed: The cost of raw materials "LA Restaurant" in 2012 until 2016 is under control. The direct labor cost of "LA Restaurant" in 2012 until 2016 is under control. The factory overhead cost of "LA Restaurant" in 2012 until 2016 is uncontrollable. The deviation is Rp. 1.237.287.435,00 (8.68%). The difference between the cost of raw materials and the difference indirect labor costs is advantageous while the difference in overhead costs is profitable
Pengaruh Green Product dan Green Price Terhadap Minat Beli Konsumen Pada Produk Tupperware (Studi Kasus Pada Mahasiswa Manajemen FE UNISLA) Elvierayani, Rivatul Ridho; Choiroh, Fisati
Mandalika Mathematics and Educations Journal Vol. 2 No. 1 (2020): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v2i1.1751

Abstract

Plastic has become a part of human daily life. Its non-recyclable nature makes many questions arise about safe plastic used as a container for food and drinks. So many consumers are interested in buying products made from plastic that are safe for health and friendly to the environment. This study aims to analyze and discuss the effect of green products and green prices on consumer buying interest in tupperware products (case study in Management students of the Faculty of Economics, Lamongan Islamic University). The research method used is quantitative research. The sample used is nonprobability sampling with a purposive sampling technique with a total of 100 respondents. Data analysis used was validity, reliability, classic assumption test and multiple linear regression using SPSS 20. Mathematics models for the influence between green products and green prices on Tupperware products is . The results showed that there was a positive influence between green products and green prices on Tupperware products on buying interest of Lamongan Islamic University management students. The results of the coefficient of determination () of 0.332, meaning that green products and green prices contribute to influence consumer buying interest by 33.2% while the remaining 66.8% is influenced by other variables outside the variables studied by researchers.AbstrakPlastik sudah menjadi bagian keseharian manusia. Sifatnya yang tidak bisa didaur ulang menjadikan banyak pertanyaan yang muncul seputar plastik yang aman digunakan sebagai wadah untuk makanan dan minuman. Sehingga banyak konsumen yang tertarik untuk membeli produk berbahan plastik yang aman bagi kesehatan maupun ramah terhadap lingkungan. Penelitian ini bertujuan untuk menganalis dan membahas pengaruh green product dan green price  terhadap minat beli konsumen pada produk tupperware (studi kasus pada mahasiswa Manajemen Fakultas Ekonomi Universitas Islam Lamongan). Metode penelitian yang digunakan adalah penelitian kuantitatif.  Sample yang digunakan merupakan nonprobability sampling dengan teknik purposive sampling dengan jumlah 100 responden. Analisis data yang digunakan adalah validitas, reliabilitas, uji asumsi klasik dan regresi linear berganda dengan menggunakan software SPSS 20. Model matematika diperoleh  sebagai representasi pengaruh green product dan green price terhadap minat beli konsumen pada produk Tupperware. Hasil penelitian menunjukkan bahwa ada pengaruh positif antara green product dan green price pada produk tupperware terhadap minat beli mahasiswa manajemen Universitas Islam lamongan. Hasil nilai koefisien determinasi  sebesar 0,332, artinya green product dan green price berkontribusi mempengaruhi minat beli konsumen sebesar 33,2% sedangkan sisanya sebesar 66,8% dipengaruhi oleh variabel lain di luar variabel yang diteliti oleh peneliti.