Collis, Jill. Business Research : a practical guide for undergraduate & postgraduate students / Jill collis & roger hussey. - 4th ed. - New York : Palgrave Macmillan Higher Education, c 2014. - xxiii, 351 p. : ill. ; 24 cm. Includes Index. 338 338 ISBN: 978-1-137-48365-2 Subjects--Topical Terms: Business--Research. Dewey Class. No.: 650 / C67b