Intuitionistic Fuzzy Subgroupoids. - Kul Hur; Su Youn Jang; Hee Won Kang (Int. J. Fuzzy Log. Intell. Syst., 2003)

Intuitionistic H-fuzzy relations. - Kul Hur; Su Youn Jang; Hee Won Kang (Int. J. Math. Math. Sci., 2005)

Intuitionistic Fuzzy Weak Congruences on a Semiring. - Kul Hur; Su Youn Jang; Keon-Chang Lee (Int. J. Fuzzy Log. Intell. Syst., 2006)

A New Approach to Fuzzy Congruences. - Kul Hur; Su Youn Jang; Keon-Chang Lee (Int. J. Fuzzy Log. Intell. Syst., 2007)

Intuitionistic Fuzzy Semigroups. - Kul Hur; Su Youn Jang; Pyung-Ki Lim (Int. J. Fuzzy Log. Intell. Syst., 2008)