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All Journal EKONOMIS : Journal of Economics and Business International Journal of Economics Development Research (IJEDR)
Dwi Sukma Donoriyanto
Universitas Pembangunan Nasional “Veteran” Jawa Timur
Economics, Econometrics & Finance Social Sciences

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Analisis Kualitas Pelayanan Menggunakan Pendekatan Lean Service dan Service Performance (Studi Kasus: Bank X) Liora Darista Zahra; Dwi Sukma Donoriyanto
Ekonomis: Journal of Economics and Business Vol 7, No 2 (2023): September
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/ekonomis.v7i2.1290

Abstract

Bank X is a State-Owned Enterprise and operates in the banking sector. This bank is the largest financial institution in Indonesia when viewed from the total value of assets under management. But in its implementation, Bank X received several complaints from customers over the services provided This study's goal is to determine the extent of the services' level of quality and waste mapping using Service Performance and Lean Service methods and also provide appropriate improvement proposals. This research begins with data collection, questionnaire distribution, analyzing data with the service Performance method to find the quality of Bank X services, mapping waste from the service activities provided then determining the root cause of the problem and given improvement recommendations. Based on the outcomes of service performance methods, the percentage of customer satisfaction with the quality of Bank X's services was 80.516%, which means clients are content with the level of service they receive The attributes included in the priority are, has modern banking equipment (X2) and has supporting facilities and service facilities that are comfortable and clean and adequate (X3). While the results of processing about lean service are known to be critical waste is waiting 21% and unclear communication 21%.
Analisa Pengendalian Persediaan Material Aluminium Ingot Menggunakan Metode Continuous Review System (Q) dan Periodic Review System (P) di PT XYZ Zulfiqa Irfidianis Ifada; Dwi Sukma Donoriyanto
Ekonomis: Journal of Economics and Business Vol 7, No 2 (2023): September
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/ekonomis.v7i2.1292

Abstract

The purpose of material inventory control is to ensure that needs are met accurately and at an affordable cost. However, there is currently no precise method for regulating the supply of aluminum Ingot materials in enterprises. Companies currently face difficulties in controlling inventories because they have to adjust to fluctuations in unstable market demand. This results in inventory build-up when product demand decreases and inventory shortages when demand increases. This study aims to find an inventory control model that can determine the number of orders, order time, and safety inventory levels with the aim of minimizing total costs.. After analysis and calculation, the total cost of inventory model Q is Rp. 197.114.834.539, - per year with an optimal booking quantity of 422 tons, a return booking point of 558.33 tons, a safety stock value of 143.27 tons. Meanwhile, the total cost of inventory model P is Rp. 197,341,385,235, - per year with a period between orders of 0.078 years, the optimum inventory value of 1003.23 tons, safety stock value of 200.949 tons. The results showed that the inventory model Continuous Review System (Q) can produce the most minimum inventory costs.
Analysis of Product Quality Control Using FTA (Fault Tree Analysis) Method Gladies Putri Suprapto; Dwi Sukma Donoriyanto
International Journal of Economics Development Research (IJEDR) Vol. 5 No. 2 (2024): International Journal of Economics Development Research (IJEDR)
Publisher : Yayasan Riset dan Pengembangan Intelektual

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/ijedr.v5i2.5154

Abstract

Shoes are one of the protectors of the human body as footwear used for daily activities. In addition to being a means of body protection, shoes are currently used as school uniforms. CV. Esa Kalen Jaya is a company that produces upper school shoes. But CV Essay Kalen Jaya experienced problems in the production, namely uncontrolled defective products produced by 1,542 pairs of upper shoes. So the need for analysis of the causes of defects and provide suggestions for quality improvement due to factors that cause product defects. To be able to determine the root cause of product defects used FTA (fault tree analysis) method.The result is that the cause of the occurrence of disability is caused by 9 factors. With improvement recommendations conduct training and evaluation on a regular basis to help improve the ability of workers in sewing so as to minimize errors.
Co-Authors Gladies Putri Suprapto Liora Darista Zahra Zulfiqa Irfidianis Ifada