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All Journal Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Jurnal Kendali Teknik dan Sains
Bagus Prabowo
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Pengaruh Debt To Equity Ratio dan Total Asset Turnover Terhadap Nilai Perusahaan Melalui Return On Equity Sebagai Variabel Intervening pada Perusahaan Farmasi yang Terdaftar di Bursa Efek Indonesia Bagus Prabowo; Muis Fauzi Rambe
Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah Vol. 6 No. 5 (2024): Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/alkharaj.v6i5.2279

Abstract

This research was conducted with the aim of testing and analyzing the influence of Debt to Equity and Total Assets Turnover on firm value through Return On Equity directly or indirectly. The population in this study were all pharmaceutical companies listed on the Indonesian Stock Exchange, while the sample that met the sampling criteria for observations was carried out for five years and there were six pharmaceutical companies listed on the Indonesian Stock Exchange. This research approach uses associative research. The data collection technique in this research uses documentation techniques and the analysis technique used is SEM (Structural Equation Model) analysis. The research results show that directly Debt to Equity Ratio, Total Assets Turnover, Return On Equity have no effect on firm value. Debt to Equity Ratio and Total Assets Turnover have no effect on Return On Equity. Indirectly, Return On Equity does not mediate the influence of Debt to Equity and Total Assets Turnover on firm value in pharmaceutical companies listed on the Indonesian Stock Exchange.
Penjadwalan Penggantian Komponen Penggiling Adonan Bakso Kapasitas 5 kg/Jam Bagus Prabowo; Syamsul Hadi; David Fajar Pratama; Fayshal Amirul Mu’Minin; M. Sofi Alfuadi Arif
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 3 No. 4 (2025): November : Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v3i4.1225

Abstract

Problems in the meatball dough grinder are low production, increasing maintenance costs and disappointed meatball dough customers who receive orders late due to problems with the electric motor, Pulley, V belt, cutting knife. The purpose of the replacement scheduling is to obtain costs, maintenance-repair schedules in the period 2026, and the ratio of maintenance costs to profits. The replacement scheduling method includes collecting previous period maintenance data, applying the inspection-replace-repair-overhaul (IRRO) method, evaluating component working conditions, predicting component life, predicting repairman costs, predicting supporting equipment that will be used in maintenance, predicting the time to replace spare parts or reinstall components after repair, estimating maintenance and repair costs in 2026, and calculating the ratio of maintenance costs to profits. The results of the replacement scheduling show that the maintenance costs in 2026 are IDR 2,530,000 with an estimated rental rate for the meatball dough grinder of IDR 10,000/kg which has the potential to be rented for 1300 hours/year, and the ratio of maintenance costs to profits is 4.9% which implies that the meatball dough grinder with a capacity of 5 kg/hour still has the potential to sell well and is suitable for use in the coming years.
Optimasi Parameter Proses Pembuatan Biobriket dari Campuran Tongkol Jagung dan Tempurung Kelapa menggunakan Metode Taguchi Bagus Prabowo; Pondi Udianto
Jurnal Kendali Teknik dan Sains Vol. 4 No. 3 (2026): Juli Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i3.6452

Abstract

The increasing global energy demand and dependence on fossil fuels have driven the development of renewable alternatives from agricultural waste. Corn cobs and coconut shells are abundant lignocellulosic biomass wastes in Indonesia that remain underutilized as biobriquette raw materials, and previous studies generally optimized only one or two process parameters separately. This study aims to determine the optimal combination of process parameters for producing high-quality biobriquettes from corn cobs and coconut shells that meet the Indonesian National Standard (SNI 01-6235-2000). An experimental approach applied the Taguchi Orthogonal Array L9(3⁴) integrated with Grey Relational Analysis (GRA) to simultaneously optimize four factors, namely shell to cob ratio, tapioca adhesive concentration, carbonization temperature, and particle size, against five quality characteristics: calorific value, moisture content, ash content, volatile matter, and fixed carbon. The optimal combination was a shell to cob ratio of 75:25, adhesive concentration of 5%, carbonization temperature of 500°C, and particle size of 60 mesh, producing the highest Grey Relational Grade of 0.8891, with raw material ratio as the most dominant factor. The confirmation experiment produced biobriquettes with a calorific value of 6,759 cal/g and other characteristics fully satisfying SNI 01-6235-2000, with a prediction error of 7.99%. These findings confirm that the Taguchi-GRA approach is effective for simultaneous multi-parameter, multi-response optimization of agricultural waste-based biobriquettes.
Co-Authors David Fajar Pratama Fayshal Amirul Mu’Minin M. Sofi Alfuadi Arif MUIS FAUZI RAMBE Pondi Udianto Syamsul Ph.D M.A. Hadi