TY - BOOK AU - Creswell,John W. TI - Educational research: Planning, conducting, and evaluating quantitative and qualitative research SN - 978-0137905025 (alk. paper) AV - LB 1028 .C742 2002 PY - 2002/// CY - Upper Saddle River, N.J. PB - Merrill KW - Education KW - Research KW - Methodology N1 - Includes bibliographical references (p. [652]-658) and indexes ER -