Barker, Alan. Letters at work : helps you create letters that are positive, accurate and professional / Alan Barker. - Petaling Jaya : Pelanduk Publications, 1996 - vii, 112p. : ill. ; 22cm ISBN: 9679785858 (pbk.): RM 18.00 Subjects--Topical Terms: LettersLetter writingWritten communication Dewey Class. No.: 658.453