E-world :  virtual learning, collaborative environments, and future technologies / 
editor : Doris Christopher 
 - Reston, VA :  National Business Education Association,  2004 
 - xi, 243 p. ;  23 cm. 
 - National Business Education Association Yearbook ;  no. 42 .
<br/><br/>References : p. 241-243 
<br/><br/><label>ISBN: </label>0933964617  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education<br/>Internet in education<br/>Computer-assisted instruction