Advances in educational productivity :  a research annual. 

 - Greenwich, Conn. :  JAI Press,  1992. 
 - 314 pages 
<br/><br/> BR and index. 
<br/><br/><label>ISBN: </label>1559382473 9781559382472 
<br/><br/><label>Dewey Class. No.: </label>370 371.2