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Perencanaan Kebutuhan Bahan Baku Produk Kusen dengan Metode MRP Anidia, Tisna; Hermawan, Asep; Haerudin, Yayan Heru
Metode : Jurnal Teknik Industri Vol. 11 No. 2 (2025): Jurnal Metode
Publisher : Universitas Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33506/mt.v11i2.4714

Abstract

Uncontrolled raw material inventory can lead to either excess or shortage of stock, thereby hampering the production process. This condition is also experienced by CV. Arafah Jaya, a manufacturer of window and door frames, where frequent stockpiling of raw materials results in high inventory costs. This study aims to systematically plan raw material requirements using the Material Requirement Planning (MRP) method. Demand forecasting was carried out using the Moving Average and Exponential Smoothing methods, with the evaluation showing that Exponential Smoothing produced more accurate results. The forecasting data were then used to develop the Master Production Schedule (MPS) as the basis for calculations in the MRP system. The analysis continued with the application of three lot-sizing techniques, namely Lot for Lot (LFL), Economic Order Quantity (EOQ), and Period Order Quantity (POQ). The comparison results indicate that the LFL technique yields the lowest total procurement cost of raw materials, amounting to IDR 7,290,380. Thus, the LFL technique is considered the most efficient method for controlling raw material procurement at CV. Arafah Jaya.
Pengaruh Kualitas Pelayanan terhadap Kepuasan Pelanggan dengan Mediasi Kinerja Manajemen di Perusahaan Jasa Transportasi (GOJEK) Anidia, Tisna; Nurhayati, Aan; Septia, Calista Nur; Akbar, Muhammad Ali
JURMATIS (Jurnal Manajemen Teknologi dan Teknik Industri) Vol. 8 No. 1 (2026): January
Publisher : Universitas Kadiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmatis.v8i1.6320

Abstract

This study aims to examine the effect of Service Quality on Customer Satisfaction with the mediation of Management Performance in a transportation service company (Gojek). The research problem addressed is whether service quality has a direct and indirect effect on customer satisfaction, and how the role of quality management contributes to this relationship. Since the population is considered infinite, the sample size was determined using Lemeshow's formula, resulting in 96 respondents. This study uses a quantitative approach with mediation regression analysis based on the method proposed by F. Hayes, involving active users of Gojek services as respondents. The results show that Service Quality significantly influences Customer Satisfaction, both directly and through the mediation of Quality Management Performance. The indirect effect value of 0.5209 with a confidence interval of [0.3889–0.6733] confirms the significance of the mediation. These findings indicate that improving service quality must be supported by an effective management system in order to have a maximal impact on customer satisfaction.