Educational research :
Gay, L. R.
Educational research : competencies for analysis and applications / L.R. Gay, Geoffrey E. Mills, Peter Airasian. - 8th ed. - Upper Saddle River, N.J. : Pearson Merrill Prentice Hall, c2006. - xix, 614 p. : ill. ; 27 cm.
Includes bibliographical references and indexes.
0131185349
2005048673
Education--Research.
LB1028 / .G37 2006
370.72/ / GAY
Educational research : competencies for analysis and applications / L.R. Gay, Geoffrey E. Mills, Peter Airasian. - 8th ed. - Upper Saddle River, N.J. : Pearson Merrill Prentice Hall, c2006. - xix, 614 p. : ill. ; 27 cm.
Includes bibliographical references and indexes.
0131185349
2005048673
Education--Research.
LB1028 / .G37 2006
370.72/ / GAY