TY - BOOK AU - Ridley, Diana, TI - The literature review: a step-by-step guide for students SN - 9781446201428 AV - LB2369 .R525 2012 U1 - 001.4 PY - 2012/// CY - Los Angeles PB - Sage KW - Research KW - Academic writing N1 - Includes bibliographical references (pages 207-210) and index ER -