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All Journal Zeta - Math Journal Indonesian Council of Premier Statistical Science
Kisty, Teshi Amelia Hakilla
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Computer Science & IT Economics, Econometrics & Finance Mathematics Public Health Social Sciences

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Application of Economic Production Quantity (EPQ) Method and Just in Time Method (JIT) in Bread Raw Material Inventory Control Kisty, Teshi Amelia Hakilla; Safitri, Elfira; Basriati, Sri; Soleh, Mohammad
Zeta - Math Journal Vol 10 No 1 (2025): May
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2025.10.1.30-38

Abstract

Retno bakery Bread Shop is one of the shops that produces various types of bread. This bakery has not used a inventory control system in the production process so it cannot meet customer needs. For this reason, Retno Bkery Bakery needs to control inventory so that the company's performance and profits are more optimal. This study discusses the control of the inventory of each bread raw material such as flour, sugar, milk, yeast, salt, butter and eggs. The purpose of this study is to obtain the results of the total cost of bread raw material inventory using the Economic Production Quantity (EPQ) method and the Just in Time (JIT) method as well as the comparison of the two methods used. The methods used are the Economic Production Quantity (EPQ) and Just in Time (JIT) methods. Based on the results of the study, the percentage difference in cost for each raw material was obtained using the Economic Production Quantity (EPQ) method and the Just in Time (JIT) method, namely for flour raw materials of 42.05%, sugar 47.31%, milk 51.63%, yeast 51.83%, salt 47.65%, butter 51.38% and eggs 51%. Thus, the Just in Time (JIT) method results in a smaller total cost than the Economic Production Quantity (EPQ) method.
Analisis Survival Terhadap Pasien Penderita Gagal Ginjal Menggunakan Metode Kaplan Meier Ramadhani, Anisha Putri; Rahmi, Nafia; Nadira, Putri; Hidayah, Syarifah; Kisty, Teshi Amelia Hakilla
Indonesian Council of Premier Statistical Science Vol 2, No 1 (2023): February 2023
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/icopss.v2i1.25323

Abstract

Analisis ketahanan hidup adalah sebuah metode statistika yang digunakan untuk menganalisis data dimana variabel yang diperhatikan yaitu waktu sampai terjadinya suatu kejadian, kejadian yang dimaksud dapat berupa munculnya penyakit baru, penyakit berulang maupun kematian. Untuk menghitung peluang ketahanan hidup penderita gagal ginjal, akan digunakan metode Kaplan-meier. Objek yang dijadikan penelitian yaitu pasien penderita penyakit gagal ginjal pada Januari 2018 – November 2020 di RS Universitas Hasanuddin Kota Makassar Provinsi Sulawesi Selatan. Diperoleh hasil bahwa faktor kronik-akut, jenis kelamin, serta usia memiliki hubungan masing-masing saling bebas terhadap penderita gagal ginjal dan diperoleh penaksiran probabilitas ketahanan hidup sebesar 0.540 (54%).
Co-Authors Elfira Safitri Mohammad Soleh Nadira, Putri Rahmi, Nafia Ramadhani, Anisha Putri Sri Basriati Syarifah Hidayah