Educational research :
Gay, L. R.
Educational research : competencies for analysis & application / L.R. Gay. - 2nd ed. - Columbus : Merrill, c1981. - xviii, 446 p., [1] leaf of plates : ill. (some col.) ; 26 cm.
Includes bibliographical references and indexes.
0675080215
80084219
Education--Research.
LB1028 / .G37 1981
370/.7/8
Educational research : competencies for analysis & application / L.R. Gay. - 2nd ed. - Columbus : Merrill, c1981. - xviii, 446 p., [1] leaf of plates : ill. (some col.) ; 26 cm.
Includes bibliographical references and indexes.
0675080215
80084219
Education--Research.
LB1028 / .G37 1981
370/.7/8