Kyu Hun Hahn

A returns policy for distribution channel coordination of perishable items

Hark Hwang, Seong Whan Shinn, Kyu Hun Hahn, 2004, Eur. J. Oper. Res..

Tool placement in the tool magazine of a flexible machine

Hark Hwang, Chang Yong Song, Kyu Hun Hahn, 1996 .

Development of Operating Rules for Automated Guided Vehicle System in Heterarchical Manufacturing System

Hark Hwang, Yeong-Dae Kim, Kyu Hun Hahn, 1996 .

An optimal procurement policy for items with an inventory level-dependent demand rate and fixed lifetime

Hark Hwang, Kyu Hun Hahn, H. Hwang, 2000, Eur. J. Oper. Res..