Pongsan Prakitsri และผู้แต่งคนอื่นๆ. (2016) The natural partial order on linear transformation semigroups with restrictions on nullity or co-rank. Chulalongkorn University:ม.ป.ท.Pongsan Prakitsri และผู้แต่งคนอื่นๆ. 2016. The natural partial order on linear transformation semigroups with restrictions on nullity or co-rank. ม.ป.ท.:Chulalongkorn University;Pongsan Prakitsri และผู้แต่งคนอื่นๆ. The natural partial order on linear transformation semigroups with restrictions on nullity or co-rank. ม.ป.ท.:Chulalongkorn University, 2016. Print.