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All Journal Jurnal Akuntansi dan Pajak Acta Aquatica: Aquatic Sciences Journal Metode : Jurnal Teknik Industri Jurnal DISPROTEK CARADDE: Jurnal Pengabdian Kepada Masyarakat Jurnal Sains Sosio Humaniora Juriti Prima (Jurnal Ilmiah Teknik Industri Prima) Jurnal Teknik Industri Terintegrasi (JUTIN) Journal of Industial Engineering and Technology Jurnal Teknik dan Science (JTS) Suluh: Jurnal Seni Desain Budaya Jurnal Pengabdian Masyarakat Waradin Jurnal Karya Abdi Masyarakat Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Journal Research of Social Science, Economics, and Management Science and Technology (SciTech) Jurnal Industri dan Inovasi (INVASI) International Journal of Economics, Management and Accounting Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika International Journal Business, Management and Innovation Review Integrasi: Jurnal Ilmiah Teknik Industri
Dwi Retna Sulistyawati
Universitas Islam Nahdlatul Ulama Jepara
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Trust (Amanah) Competence Poerbantoro, Heri; Sukamto, Sukamto; Andini, Rita; Handayani, Tri; Sulistyawati, Dwi Retna
Journal Research of Social Science, Economics, and Management Vol. 3 No. 12 (2024): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v3i12.699

Abstract

This article aims to describe the relationship between the competence concept and the Islamic value of trust (amanah). Trust (amanah) competence is an ability of a person to incorporate a set of knowledge, skills, and trust based on the nature of integrity, sincerity, and responsibility, in order to obtain happiness and success. The new concept of competence requirement is expected to become the foundation for human resource development, so that competent professionals would avoid bad behavior and corruption. This study's contribution to the Resource-Based View Theory, particularly its emphasis on competence, is founded on knowledge and trustworthiness.
Analisis Kelayakan Usaha Bawang Merah Gapoktan Karya Makmur Desa Pasir Kecamatan Mijen Kabupaten Demak Ahmad Naja Abadi; Dwi Retna Sulistyawati; Gunawan Mohammad
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6482

Abstract

This study also highlights the importance of education and training for farmers to improve their technical skills in farming and managing their farms. Training in the use of modern agricultural technologies, such as automated fertilizing tools and efficient irrigation systems, can help farmers reduce production costs and increase yields. Furthermore, training in digital marketing can help farmers market their products more effectively through online platforms, reducing reliance on intermediaries and increasing profit margins. Furthermore, it is crucial for the government to provide support in the form of extension services and easy access to business capital. More accessible capital will enable farmers to invest in more efficient equipment and more environmentally friendly organic fertilizers. Targeted microcredit distribution to farmer groups can also accelerate the adoption of new, more productive agricultural technologies. The adoption of sustainable and environmentally friendly agricultural practices should be a long-term focus to ensure the registration of shallot farming businesses. Farmers need to be incentivized to use organic fertilizers and natural pesticides that are safer for the soil and air. Furthermore, the implementation of integrated and environmentally friendly farming systems such as agroforestry can also be an alternative to increase agricultural yields without damaging the environment. With improvements in education, training, access to capital, and the adoption of more efficient technology, shallot farming in Pasir Village can develop better and become more sustainable in the future. Furthermore, collaboration between farmer groups and local research institutions and universities can also be key to introducing new agricultural innovations.
Analisis Optimasi Rute Distribusi Gas LPG 3 Kg Menggunakan Metode Capacitated Vehicle Routing Problem (CVRP) pada PT Pangkal Rizqi Abadi Alingga Anisful Laili; Dwi Retna Sulistyawati; Gunawan Mohammad
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6483

Abstract

Distribution is an important aspect that affects the operational efficiency of a company, especially in terms of goods delivery. This study aims to develop an optimization model for LPG gas distribution routes using Excel Solver based on geographic coordinate conversion. In this study, the method used includes converting geographic coordinates from decimal to Degree-Minute-Second (DMS) format, followed by conversion to kilometers to form a more accurate distance matrix. The optimization model was built using the Capacitated Vehicle Routing Problem (CVRP) approach, which takes into account vehicle capacity constraints (a maximum of 560 cylinders per truck) and the limited number of available fleets, which is only one truck. The results show that coordinate conversion produces high accuracy in calculating distances between distribution locations. By using Excel Solver, the optimization solution successfully minimizes the total distance traveled compared to the conventional route, where distribution is carried out more evenly to 57 scattered LPG base locations. The addition of Solver Parameters Evolutionary and All Different constraints proved effective in avoiding duplication of visits and producing optimal distribution routes. This solution not only improves distribution time and cost efficiency, but also improves service to customers by reducing delivery delays. The success of this optimization model is expected to be implemented by other distribution companies to improve their operational performance. This study also highlights the importance of selecting the right software to aid the distribution optimization process. Excel Solver, despite its simplicity, proved highly effective in solving complex distribution routing problems, especially when combined with coordinate conversion techniques that yield more accurate distances. Furthermore, the application of the CVRP method enabled more efficient decision-making in determining distribution routes, taking into account vehicle capacity and fleet limitations.
QUALITY CONTROL ANALYSIS TO MINIMIZE THE NUMBER OF DEFECTS IN RATTAN CHAIRS USING THE SIX SIGMA METHOD Syarifatul Annisa; Dwi Retna Sulistyawati
Science and Technology (SciTech) The 3rd National Seminar and Proceedings Scitech 2024
Publisher : Science and Technology (SciTech)

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

Abstract

PT XYZ is a company in the furniture industry. PT XYZ strives to maintain and improve the quality of their products in order to complete in the global market. Therefore, this research was conducted to find and analyze the company’s quality control process to identify the main causes of decreased product quality. This research uses six sigma with the Define, Measure, Analyze, Improve (DMAI) approach. The purpose of this research is to determine the factors that cause product quality, and determine improvements that can be made to improve the quality of rattan chair products. This research results showed that there were 4 types of defects that occured, namely defective wood with a percentage of 36%, untidy finishing with a percentage of 41%, untidy rattan with a percentage of 10% and cracked wood with a percentage of 13%. From the results of data processing at the measurement stage, the DPMO value was 56250,00 with a sigma level of 3,13, which means six sigma perfomance is equivalent to 93,32%. In this way, the company is expected to continue to make improvements and improve quality.
Penerapan Metode Earliest Due Date Pada Penjadwalan Produksi Sampel Produk Cushion Di PT XYZ Musa, Rikan Sholikul; Azzat, Noor Nailie; Muhammad, Gunawa; Sulistyawati, Dwi Retna; Lofian, Boedi
Metode : Jurnal Teknik Industri Vol. 12 No. 1 (2026): Jurnal Metode
Publisher : Universitas Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33506/mt.v12i1.5289

Abstract

PT XYZ faces delays in completing sample production of cushion products due to high sample demand and the absence of a systematic production scheduling method. This condition results in suboptimal job prioritization and delays in sample completion. Initial observations indicate that sample production delays reached up to 6 days. This study aims to implement the Earliest Due Date (EDD) method in sample production scheduling to minimize delays and improve production efficiency. The EDD method is used to determine job priority sequences based on due dates by utilizing processing time data from each production department. The implementation of the EDD method is integrated into a scheduling system based on Visual Basic for Applications (VBA) to facilitate data processing and production schedule control. The results show that the application of the EDD method is able to reduce sample completion delays from 6 days to a maximum of 4 days and decrease the level of sample production delays by 33.3%. Therefore, the EDD method is proven to be effective in improving the efficiency and accuracy of cushion sample production scheduling.
Pemilihan Supplier Kursi dengan Metode Analytical Hierarchi Procces (AHP) dan Techniqe for Order Preference by Similary to Ideal Solution (TOPSIS) Ahmad Khoiruddin Asrokhi; Gunawan Mohammad; Dwi Retna Sulistyawati
Jurnal Teknik dan Science Vol. 5 No. 2 (2026): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v5i2.2743

Abstract

This study aims to develop a decision support model for selecting the best upholstered trunk chair supplier at Khoiruddin Jati Furniture. The main issue faced by the company is that the supplier selection process is still carried out conventionally based on experience, personal relationships, and subjective managerial considerations, resulting in less measurable and inconsistent decisions. This condition may lead to unstable product quality, delivery delays, and inefficient production costs. To overcome these problems, this research integrates the **Analytical Hierarchy Process (AHP)** and the **Technique for Order Preference by Similarity to Ideal Solution (TOPSIS)** methods. The AHP method was applied to determine the priority weights of each criterion, while TOPSIS was used to rank supplier alternatives based on their closeness to the ideal solution. The evaluation criteria consisted of product quality, price, delivery punctuality, and warranty level, involving six supplier alternatives. The results of the AHP analysis indicated that the warranty level had the highest weight of 0.352, followed by price at 0.340, product quality at 0.202, and delivery punctuality at 0.106. The Consistency Ratio (CR) value of 0.07 indicated that the assessment was consistent and acceptable because it was below the required threshold of 0.1. Furthermore, the TOPSIS calculation showed that Supplier A achieved the highest preference value of 0.8499, followed by Supplier C with 0.6850, Supplier B with 0.5525, Supplier D and Supplier E with 0.4343, and Supplier F with 0.3599. Therefore, Supplier A was identified as the best supplier alternative because it had the closest performance to the ideal solution based on the AHP–TOPSIS analysis.
Pemanfaatan Limbah Kulit Durian sebagai Sumber Energi Terbarukan melalui Teknologi Inklusif Berbasis Biobriket Dwi Retna Sulistyawati; Gunawan Mohammad; Muhammad Choiru Zulfa; Desti Setiyowati; Tiara Turay; Ihwan Ghazali
CARADDE: Jurnal Pengabdian Kepada Masyarakat Vol. 8 No. 2 (2025): Desember
Publisher : Ilin Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31960/caradde.v8i2.3212

Abstract

Kawasan Lenggong Perak sebagai salah satu pusat penghasil durian, namun belum mampu mengatasi permasalahan limbah durian, sehingga diperlukan suatu teknologi atau solusi dalam mengatasinya. Tujuan dari kegiatan pengabdian ini, sepakat untuk mengelola kulit durian, yang merupakan masalah bagi masyarakat menjadi produk baru bermanfaat serta memiliki nilai jual. Adapun metode yang diperkenalkan dan digunakan dalam kegiatan ini yaitu teknologi inklusif yaitu teknologi pengolahan dengan memanfaatkan alat-alat sederhana, effisien dan efektif. Hasil dari kegiatan ini masyarakat dapat menghasilkan Biobriket dari pemanfaatan limbah kulit durian, dimana berdasarkan hasil uji coba dimana 250 gram briket kulit durian mampu mendidihkan 2,5 liter air dalam waktu 30 menit. Berdasarkan hasil riset uji kalor biobriket kulit durian dapat dijelaskan bahwa panas yang dihasilkan cukup untuk menggantikan batu arang yang saat ini tersedia. Dengan hasil tersebut diharapkan masyarakat mampu menciptakan peluang kerja baru memproduksi biobriket sebagai sumber pendapatan tambahan.
Perancangan Layout Kerja Menggunakan Analisis Studi Gerak untuk Meningkatkan Efisisensi Waktu Siklus Muhammad Choiru Zulfa; Dwi Retna Sulistyawati
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 2 No. 1 (2024): Januari : Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v2i1.194

Abstract

Finishing workstations have two activities: cleaning and painting. Irregular work layouts cause time wasted just to move the product to be worked on. In addition, there is no permanent work layout arrangement or placement of work objects so that every day there is a change in work layout makes workers have to make adjustments again, so this will waste time and will reduce the productive time of each worker at the painting work station. The purpose of this study is to design an improvement layout that can be used for cleaning and painting work using the motion study method. The results of the motion study analysis obtained a repair work layout combining two cleaning and painting jobs into one repair layout with the placement of workpieces and work equipment according to the needs of the right and left hands, so that the resulting work movement is more effective and increases cycle time efficiency.
Co-Authors Ahmad Khoiruddin Asrokhi Ahmad Naja Abadi Ahmad Syukron Lail Zam Zam Alingga Anisful Laili Cahyono, Kevin Decky Rochmanto Desti Setiyowati Dyah Ayu Nurwidyaningsih Fitroh, Qorry Aina Gun Sudiryanto Gunawan Mohammad Gunawan Mohammad Gunawan Mohammad Heri Poerbantoro Ihwan Ghazali Indra Kurniawan Kausar, Alfin Lofian, Boedi Lutfi Nur Haryana Ihsan Mahmud Basuki Maulida Azizan Najwa Mohammad, Gunawan Muhammad Choiru Zulfa Muhammad, Gunawa Musa, Rikan Sholikul Noor Nailie Azzat Poerbantoro, Heri Praptono, Sri RITA ANDINI Rita Andini Sarwido Sarwido Shodiqin, Ezza Afdlol Maulana Sofyan Assauri Sri Praptono Sukamto Sukamto Sukamto Sukamto Susila, Dwi Agus Syarifatul Annisa Tiara Turay Tri Handayani Tri Handayani Tristan Alfian