TY - GEN AU - Gay L R AU - Airasian Peter W AU - Mills Geoffrey E TI - Educational research: competencies for analysis and applications SN - 0131185349 AV - LB1028 PY - 2006/// CY - Upper Saddle River, NJ PB - Pearson Merrill Prentice Hall KW - Education KW - Research N1 - Previous ed.: 2003; Includes bibliographical references and index ER -