Louis Cohen; Manion, Lawrence &Morrison, Keith <br/><br/>
Research methods in education 

 - 5th ed 
 - Routledge Falmer  London  2000 
 - xvi,446 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>EDUCATION
<br/><br/><label>Universal Decimal Class. No.: </label>370.78  / Coh/