Rai, Ajay Write effective letters / Ajay Rai - Seri Kembangan, Selangor : Content Plus, 2009 - 224p. ; 21cm. - Effective english learning series . - Effective english learning series . ISBN: 9789675154683 (set) 9789675154690 (pbk.) : RM26.50 Nat. Bib. No.: M09-05098 Subjects--Topical Terms: Letter-writing, English Dewey Class. No.: 808.6