Cohen,Louis <br/><br/>
Research methods in education fourth edition louis cohenand lawrence manion 

 - 4th Ed : 
 - New York :  Routledge,  1994. 
 - xxii,414p.;  23cm 
<br/><br/><label>ISBN: </label>0-415-10235-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.72  / COH