Cohen, Louis,   1928 <br/><br/>
Research methods in education /  
Louis Cohen, Lawrence Manion, and Keith Morrison ; with contributions from Richard Bell ... [et al.]. 
 - 7th ed. 
 - London ; |a New York :   Routledge,  2011. 
 - xxii, 758 pages :   illustrations (chiefly col.) ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780415583367 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research --Great Britain.
<br/><br/><label>Dewey Class. No.: </label>370.72 COH 2011