00325nam a2200097Ia 4500080001800000100002800018245012700046260002600173300001000199583001800209  a05.03.04 L864  aLópez Ospina, Gustavo  aToward building a social pact that orients and ensures a sustainable future with solid social protection for all 2005-2050  bUNESCOaQuitoECc2004  a92 p.  c12/5/07kJOYD