Cohen, Louis <br/><br/>
Research methods in education 
Louis Cohen, Lawrence Manion and Keith Morrison 
 - 6th ed 
 - New York:  Routledge,  1989. 
 - xxii, 413p. 
<br/><br/> includes bibliography and index 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>9780415368780 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational research-Methodology
<br/><br/><label>Dewey Class. No.: </label>370.72  / COR