หนังสือที่แต่งโดย Sumtum Parisuthiman 7 Results

No.TitlePublished
1Business communication : a functional approach2013
2Business communication : a functional approach2005
3Communicative letter writing for all purposes2001
4Communicative letter writing for all purposes1998
5Business communication : a functional approach1996
6Business communication : a functional approach1991
7Business communication : a functional approach1985