00289nam a2200133Ia 4500080000500000245004800005260002600053300001100079500001500090650002100105010000900126010000900135011001100144  a  aLes sciences sociales dans le monde/ Unesco  aParis:bUnesco,c2001  a402 p.  aexemplares  aCiencias sociais  atrue  atrue  aUnesco