Gay, Lorraine R. <br/><br/>
Educational Research :  competencies for analysis and applications / 
Lorraine R. Gay, Geoffrey E. Mills and Peter W. Airasian 
 - 10th ed. 
 - Harlow, Essex :  Pearson Education Limited,  c2014 
 - ii,  596 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9781292041698 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research