Research methods in education : An introduction 
Wiersma, William. 
 -  A Simon & Schuster Company.  1995 
 - 480 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-205-15654-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education -- Research.
<br/><br/><label>Dewey Class. No.: </label>370.78 W63r 1995