Travers, Robert Morris William <br/><br/>
An introduction to educational research 

 - 4th ed 
 - New York  Macmillan  1978 
 - xiv,446 p. 
<br/><br/><label>ISBN: </label>0024213705 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>370.78  / TRA