000 002930000a22001210004500
008 140223b1981 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:UNESCO
245 _aSOCIO-ECONOMIC INDICATORS FOR PLANNING
260 _aPARIS
_bUNESCO
_c1981
650 _a
_a
906 _a:UNESCO
999 _c136237
_d136237