Compromising prioritization from pairwise comparisons considering type I and II errors. - Deok-Hwan Kim; Kwang-Jae Kim; K. Sam Park (Eur. J. Oper. Res., 2010)

Duality, efficiency computations and interpretations in imprecise DEA. - K. Sam Park (Eur. J. Oper. Res., 2010)

Pro-efficiency: Data speak more than technical efficiency. - K. Sam Park; Jin-Wan Cho (Eur. J. Oper. Res., 2011)

Interactive multiobjective optimization approach to the input-output design of opening new branches. - K. Sam Park; Dong Eun Shin (Eur. J. Oper. Res., 2012)

Compounding problem in an interactive multiple objective optimization method. - K. Sam Park; Pyoungsoo Lee (Eur. J. Oper. Res., 2016)