Sansanee Nenthein และ Yupaporn Kemprasit. (2006) Regular elements and the BQ - Property of transformation semigroups and rings of linear transformations. Chulalongkorn University:ม.ป.ท.Sansanee Nenthein และ Yupaporn Kemprasit. 2006. Regular elements and the BQ - Property of transformation semigroups and rings of linear transformations. ม.ป.ท.:Chulalongkorn University;Sansanee Nenthein และ Yupaporn Kemprasit. Regular elements and the BQ - Property of transformation semigroups and rings of linear transformations. ม.ป.ท.:Chulalongkorn University, 2006. Print.