Educational Research :
Gall, Meredith D.
Educational Research : an introduction / Meredith Gall D.,Walter Borg R. and Joyce Gall P. - 6th ed. - New York : Longman, c 1996. - xxii, 788p. : ill. ; 24cm
Includes Bibliographical References and Index
0801309808
Education-Research;
370.78 / GAL
Educational Research : an introduction / Meredith Gall D.,Walter Borg R. and Joyce Gall P. - 6th ed. - New York : Longman, c 1996. - xxii, 788p. : ill. ; 24cm
Includes Bibliographical References and Index
0801309808
Education-Research;
370.78 / GAL