TY - BOOK AU - Leedy,Paul D. AU - Ormrod,Jeanne Ellis TI - Practical research :planning and design SN - 9780133741322 (pbk.) AV - Q180.55.M4L43 2016 U1 - 001.4 23 PY - 2016/// CY - Boston PB - Pearson Education KW - Research KW - Methodology N1 - Includes bibliographical references and index ER -