Gay,Lorraine R. <br/><br/>
Educational research : competencies for analysis and applications/ 
by Lorraine R. Gay, Geoffrey E. Mills & Peter W. Airasian 
 - 10th ed. 
 - Noida:  Pearson,  2019. 
 - 595p.;  25cm. 
<br/><br/><label>ISBN: </label>9789332541061 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-Research<br/>Education-Research-Methodology
<br/><br/><label>Dewey Class. No.: </label>370.72  / GAY-ED