Manser Martin Effective Business writing in a week: Learn in a week, what the experts learn in a lifetime/ Martin Manser. - Britain: Holder and Stoughton, 2013. - 121 pages.: 19cm. Include Summery, questions and answers. ISBN: 9781444190281 (pbk) Subjects--Topical Terms: BusinessSocial Media LC Class. No.: HF 5718.3 Man 2013