Cohen, louis <br/><br/>
Research methods in education / 
Louis Cohen, Lawrence Manion and Keith Morrison 
 - 7th ed. 
 - London :  Loutledge,  2011 
 - xxii, 758 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>9780415583367 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research<br/>Education--Research--Great Britain
<br/><br/><label>Dewey Class. No.: </label>370.78  / C678R