Ary, Donald <br/><br/>
Introduction to Research in Education 
by Donald Ary  
 - 5th ed. 
 - Fort Worth Philadelpia   Holt, Rinehart and Winston, Inc.  1996 
 - xviii, 590 pages; 24 cm. 
<br/><br/> includes glossary and index  
<br/><br/><label>ISBN: </label>0-15-500982-6 
<br/><br/><label>Dewey Class. No.: </label>GR/370.42/Ar9