Barker, Alan, 1956- Letters at work : helps you create letters that are positive, accurate and professional / Alan Barker - Petaling Jaya : Pelanduk Publications, 1996 - vii, 112 p. ; 22cm. ISBN: 9679785858 Subjects--Topical Terms: Letter writing.Letters.Written communication. Dewey Class. No.: 658.453 / BAR