Cohen, Louis, <br/><br/>
Research methods in education / 
Louis Cohen, Lawrence Manion, and Keith Morrison ; with contributions from Richard Bell ... [et al.]. 
 - London ;  Routledge,  2011. 
 - xxii, 758 p. : 
<br/><br/><label>ISBN: </label>9780415583350 (hard cover) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.72  / Re,7