TY - BOOK AU - Dyer,Jean Royer TI - Understanding and evaluating educational research T2 - Addison-Wesley series in education SN - 0201011840 AV - LB1028 .D87 U1 - 370.72 DYE PY - 1979/// CY - Reading, MA PB - Addison-Wesley Pub. Co. KW - Education KW - Research N1 - Includes index; Bibliography: p. 415-423 ER -