00294nam a2200109Ia 4500082001900000100005700019245006400076260002400140300001000164500000500174700000500179  a338.9bUn58.US  aUNESCO, Social Science Methods and Analysis Division  aUse of socio-economic, indicators in development planningb  aParisbUNESCOc1976  a282p.  a  a