8 articles in this issue
Jonas Yu,G.A. Widyadana
Inventory models for a policy of retail pricing and perishable items have been developed in many papers, but very few of the studies incorporate both of these effects. This study integrates the two conditions from a three-echelon supplier’s chain and offe... see more
Ahmad S. Indrapriyatna,Yumi Meuthia,Dicky Fatrias,Monalisa Gusti
One important issue in the line production is the selection of the company's best supplier. Various criteria should be considered for determining the best supplier. Answering to that challenge, we apply Taguchi loss function- Analytical Hierarchy Process ... see more
Edi Cahyono,Sapto Rahardjo,Asrul Sani
In this article we discuss several methods for predicting nickel ore content inside the soil under a given area/region. The prediction is the main objective of the exploration activity which is very important for conducting the exploitation activity from ... see more
Indriati Bisono
People adopt many definitions for extremes. One such definition is that extremes are simply the upper tail data. In this paper we briefly review the types of upper tail data, the limiting distribution of extreme values, the analysis and the model diagnost... see more
Taufik Limansyah,Dharma Lesmono
This paper deals with determination of ordering policy for perishable goods, namely joint order policy or individual order policy. Expiration date is an important factor to be considered in the inventory system, especially in chemical or food industry. Th... see more
Gembong Baskoro
Knowledege based economy will be a matter of time for Indonesia’s future competitiveness. Therefore, to get there, several basic requirements have to be early prepared. Among others, human capital is perhaps the most important requirement for a country to... see more
Togar W. S. Panjaitan,Debora A. Y. A.,Marissa Yessicha
The revolution of traditional quality management concept into total quality management (TQM) inspired industry for establishing and implementing quality control circle (QCC). Before starting a project as the implementation of the QCC, the training was hel... see more
Erna Apriliani,Dieky Adzkiya,Arief Baihaqi
Kalman filter is an algorithm to estimate the state variable of dynamical stochastic system. The square root ensemble Kalman filter is an modification of Kalman filter. The square root ensemble Kalman filter is proposed to keep the computational stability... see more