Gay, L. R., <br/><br/>
Educational research :  competencies for analysis and applications / 
L.R. Gay, Geoffrey E. Mills, Peter Airasian. 
 - eighth edition. 
 - Upper Saddle River, New Jersey :  Pearson Merrill Prentice Hall,  (c)2006. 
 - xix, 614 pages :  illustrations ;  27 cm. 
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<br/><br/><label>ISBN: </label>9780131185340 
<br/><br/><label>LCCN: </label>2005048673 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>LC Class. No.: </label>LB1028  / .E383 2006 LB1028