00877nam0-2200301---450-99000970548040332120130328123146.0000970548FED01000970548(Aleph)000970548FED0100097054820130328d1981----km-y0itay50------baengUSy-------001yyInvesting in peoplethe economics of population qualityTheodore W. SchultzBerkeley <etc.>University of California Press1981XII, 173 p.21 cmEDUCAZIONEASPETTI ECONOMICI306.319itaSchultz,Theodore W.121782ITUNINAREICATUNIMARCBK990009705480403321XIV E 177018936FSPBCFSPBCInvesting in people844474UNINA