TY - BOOK AU - Mertler,Craig A. AU - Charles,C.M. TI - Introduction to educational research SN - 9780137013449 (pbk.) AV - LB1028 .C515 2011 U1 - 370.72 22 PY - 2011/// CY - Boston PB - Pearson/Allyn & Bacon KW - Education KW - Research KW - Methdology N1 - Includes bibliographical references and indexes ER -