00888nam0-2200301---450-99000309348040332120060330123504.0000309348FED01000309348(Aleph)000309348FED0100030934820030910d1971----km-y0itay50------baengUSa---c---001yyHuman capital formation and manpower developmentedited by Ronald A. WykstraNew YorkThe free pressLondonCollier-Macmillanc1971XXVI, 502 p.24 cmRisorse umaneEconomia dell'educazioneWykstra,Ronald A.ITUNINARICAUNIMARCBK990003093480403321M/5 WYK4884/ISESSESHuman capital formation and manpower development459202UNINA