Gay, L. R. <br/><br/>
Educational research :  competencies for analysis and application / 
L. R. Gay 
 - 5th ed. 
 - Colombus, OH. :  Merrill,  1996 
 - xxiv, 662 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0023408146  RM275.37 
<br/><br/><label>LCCN: </label>95-016730 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research