=LF=AUTHOR: Carlos     Andrés Pérez
 =LF=CAT___: Community
 =LF=TITLE_: Ambientes Colaborativos Virtuales y sus ventajas
 =LF=NUMBER: 312
 =LF=ANAME_: article312.shtml
 =LF=PARSER: 2.51
 =LF=METADT: 2003-9