00342pab a2200121 454500008004000000245008700040260000900127300001300136362001100149650002100160650001900181773002000200180718b2012   xxu||||| |||| 00| 0 eng d  aAvatar: A new web based virtual technology for social learning in higher education  c2012  ap.15-24.  a12 Mar  aHigher education  aOnline systems  aUniversity News