Collis, Jill. Business research : a practical guide for undergraduate & postgraduate student's / Jill collis & Roger Hussey. - 3rd ed. - New York, USA : Palgrave, Macmillan, c2009. - xv, 358p : ill. Includes bibliographical references and index. ISBN: 9781403992475 : Subjects--Topical Terms: Business.Research.