000 00298nam a2200121Ia 4500
008 090707b ii f a fnsan d
082 _a330.93 M63S
100 _aUNESCO
_910418
245 _aSocial Change and Economic Development
260 _c1963.
_aParis:
_bUNESCO
300 _a210p.
942 _cBK
999 _c4574
_d4574