Cohen, Louis ; Manion, Lawrence ; Morrison, Keith  <br/><br/>
Research Methods in Education 

 - 7th 
 -  2011 
 - xxii, 758 
<br/><br/><label>ISBN: </label>978-0-415-58336-7 
<br/><br/><label>Subjects--Personal Names: </label><br/>Management and Social Sciences
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management and Social Science