Gay, Lorraine R <br/><br/>
Educational research :   Competencies for analysis and applications /  
Gay, Lorraine R; Mills, Geoffrey E & Airasian, Peter W 
 - 10th Edition. 
 - New York :  Pearson Education,  2014. 
 - 595 p. ;  26 cm. 
<br/><br/><label>ISBN: </label>9789332541061 
<br/><br/><label>Dewey Class. No.: </label>370.72  / GAY