On fuzzy semigroups. - Nobuaki Kuroki (Inf. Sci., 1991)

Fuzzy generalized Bi-ideals in semigroups. - Nobuaki Kuroki (Inf. Sci., 1992)

Fuzzy congruences and fuzzy normal subgroups. - Nobuaki Kuroki (Inf. Sci., 1992)

Fuzzy semiprime quasi-ideals in semigroups. - Nobuaki Kuroki (Inf. Sci., 1993)

Fuzzy Congruences on T*-Pure Semigroups. - Nobuaki Kuroki (Inf. Sci., 1995)

Regular Fuzzy Duo Rings. - Nobuaki Kuroki (Inf. Sci., 1996)

The Lower and Upper Approximations in a Fuzzy Group. - Nobuaki Kuroki; Paul P. Wang (Inf. Sci., 1996)

Fuzzy congruences on inverse semigroups. - Nobuaki Kuroki (Fuzzy Sets Syst., 1997)

Rough Ideals in Semigroups. - Nobuaki Kuroki (Inf. Sci., 1997)

Fuzzy Semigroups - John N. Mordeson; Davender S. Malik; Nobuaki Kuroki (Springer, 2003)