Educational research :
Gay, L. R.
Educational research : competencies for analysis and application / L.R. Gay. - 5th ed. - Upper Saddle River, N.J. : Merrill, c1996. - xxiv, 662 p. : ill. ; 27 cm.
Includes bibliogaphical references and indexes.
0023408146
Education--Research.
LB1028 / .G37 1996
Educational research : competencies for analysis and application / L.R. Gay. - 5th ed. - Upper Saddle River, N.J. : Merrill, c1996. - xxiv, 662 p. : ill. ; 27 cm.
Includes bibliogaphical references and indexes.
0023408146
Education--Research.
LB1028 / .G37 1996