Gay, L. R <br/><br/>
Educational research  : competencies for analysis and application 
L. R. Gay 
 - 3rd 
 - Columbus  Merrill Publishing  1987 
 - xx,569p 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0675205069 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-Research
<br/><br/><label>Dewey Class. No.: </label>370.78  / GAE