TY - BOOK AU - Gay,L.R. TI - Educational research: competencies for analysis & application SN - 0675080215 AV - LB1028 .G37 1981 U1 - 370/.7/8 19 PY - 1981/// CY - Columbus PB - Merrill KW - Education KW - Research N1 - Includes bibliographical references and indexes ER -