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