Sumtum Parisuthiman Communicative letter writing for all purposes / Sumtum Parisuthiman - 2nd ed - Bangkok : Thammasat University Press, 2001 - 265 p. : ill. ; 26 cm. ISBN: 9745717924 Subjects--Topical Terms: Letter writingEnglish language--Writing Dewey Class. No.: 428.2 / S956C 2001