TY - BOOK AU - Charles,C.M. AU - Mertler,Craig A. TI - Introduction to educational research SN - 9780321081759 (alk. paper) U1 - 370.72 21 PY - 2002/// CY - Boston PB - Allyn and Bacon KW - Education KW - Research N1 - Includes bibliographical references and indexes ER -