Gay  <br/><br/>
Educational research : competencies for analysis and application  
/ L. R. Gay. 
 - 5th ed. 
 - Upper Saddle River, NJ  Prentice Hall  c1996. 
 - 662p.  ill.  26cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0023408146  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research
<br/><br/><label>Dewey Class. No.: </label>370.78 GAY 1996