Collis, Jill Business research: Apractical guide for undergraduate and postgraduate students - 4th ed. - New York Macmillan Publishers 2014 - xxii, 351 p. 2124 24/09/2015 APD15/1021918 24/09/2015 IHTM (SFS) ISBN: RS599 Dewey Class. No.: 658.0072 C691B(4)