Information and communication technologies in distance education :  Specialized training course. 

 - Moscow :  UNESCO;  Institute for Information Technologies in Education,  2002. 
 - 118 p. 
 - IITE Training materials .
<br/><br/><label>ISBN: </label>5902116058 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>374.1: 681.3 =20 "2002" INF.