00279nam a2200121Ia 45000030006000000080041000060400015000471000025000622450032000872600009001195460012001280050017001400STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTheodore Schultz, W.  aEconomic value of education  c1963  aEnglish20220125165517.0