A Stochastic Frontier Analysis (SFA)-Based Method for Detecting Changes in Manufacturing Energy Efficiency by Sector and Time. - Ga Hyun Lee; Hyun Woo Jeon (APMS (4), 2023)

Development of Automated Negotiation Models for Suppliers Using Reinforcement Learning. - Ga Hyun Lee; Byunghun Song; Jieun Jung; Hyun Woo Jeon (APMS (5), 2024)