Gay, L. R. <br/><br/>
Educational research  competencies for analysis and application 
L.R. Gay, E. Mills, Peter Airasian. 
 - 8th ed. 
 - Colombus,Ohio  Prentice-Hall  2006. 
 - xix, 614 p.  ill.  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0131185349 
<br/><br/><label>LCCN: </label>9921766 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>LC Class. No.: </label>LB1028  / .G37 2006