00291nam a2200121Ia 45000030006000000080041000060400015000471000021000622450048000832600009001315460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAutar Dehesi, S.  aHuman capital formation and its utilization  c1979  aEnglish20220125165456.0