Gay, L. R. <br/><br/>
Educational research :  competencies for analysis and applications / 
L.R. Gay, Peter Airasian 
 - 7th ed. 
 - Upper Saddle River, N. J. :  Merrill/Prentice Hall,  2003 
 - xvii, 605 p. :  ill. (some col.) ;  27 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>0130994634  RM353.76 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research