©2013 National Research Council of Thailand
Jirasook Itharattana. 1980. Transformation semigroups which are factorizable. Department of Mathematics, Chulalongkorn University;
Jirasook Itharattana. (1980) Transformation semigroups which are factorizable . Chulalongkorn University/Bangkok.
Jirasook Itharattana. Transformation semigroups which are factorizable. . Bangkok:Chulalongkorn University, 1980.
Jirasook Itharattana. (1980) Transformation semigroups which are factorizable . Chulalongkorn University/Bangkok.