Fractionary fuzzy ideals and Dedekind domains. - Kyoung Hee Lee; John N. Mordeson (Fuzzy Sets Syst., 1998)

Generalized fuzzy games and fuzzy equilibria. - Won Kyu Kim; Kyoung Hee Lee (Fuzzy Sets Syst., 2001)

On a continuous majority rule. - Won Kyu Kim; Kyoung Hee Lee (Int. J. Math. Math. Sci., 2005)

The QoE Evaluation Method through the QoS-QoE Correlation Model. - Hyun-Jong Kim; Dong Hyeon Lee; Jong Min Lee 001; Kyoung Hee Lee; Won Lyu; Seong Gon Choi (NCM (2), 2008)