Gay, Lorraine R. <br/><br/>
Educational research :  competencies for analysis and application / 
Lorraine R. Gay; Geoffrey E. Mills and Peter W. Airasian 
 - 10th Edition. 
 - New Delhi :  Pearson Education,  2017. 
 - 595 p. ;  26 cm. 
<br/><br/><label>ISBN: </label>9789332541061 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational research
<br/><br/><label>Dewey Class. No.: </label>370.72  / GAY