Cohen, Louis,  1928- <br/><br/>
Research methods in education / 
Louis Cohen, Lawrence Manion and Keith Morrison. 
 - Eighth edition. 
 - 1 online resource (916 pages) :  illustrations, tables 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781138209886 9781315456515 (Proquest Ebook Central) 
<br/><br/><label>Source: </label>5103697  Proquest Ebook Central 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research--Great Britain.