DE CORTE,ERIK (ED) <br/><br/>
COMPUTER BASED LEARNING ENVIRONMENTS 

 - BERLIN  SV  1992 
 -  484 
 - NATO ASI SERIES F: COMPUTER AND SYSTEMS SCIENCES, VOL.84 .
<br/><br/> BR-171 
<br/><br/><label>ISBN: </label>NCST  158 
<br/><br/><label>Dewey Class. No.: </label>1020