Gall, Meredith D. <br/><br/>
Educational research, An introduction / 
By Meredith D Gall. 
 - 7th. 
 - Boston :  & B,  2002. 
 - 656p. ;  00 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION.
<br/><br/><label>Dewey Class. No.: </label>370.72  / GAL