Hypermedia courseware  structures of communication and intelligent help 
ed. by Armando Oliveira 
 - Berlin;  Heidelberg;  New York   Springer-Verlag  1992 
 - XII, 241 p.  fig., tab., graf. ; 24 cm 
<br/><br/><label>ISBN: </label>0-387-55810-1;  3-540-55810-1 
<br/><br/><label>Source: </label>C-182530 
<br/><br/><label>Index Terms--Genre/Form: </label><br/> carte de studiu
<br/><br/><label>Universal Decimal Class. No.: </label>519.711004