00929nam a22002411i 450099100062637970753620040116124616.0040220s1971 xxu|||||||||||||||||eng b12646337-39ule_instARCHE-064468ExLDip.to Scienze pedagogicheitaA.t.i. Arché s.c.r.l. Pandora Sicilia s.r.l.370Schultz, Theodore William482492Investment in human capital :the role of education and of research /Theodore W. SchultzNew York :Free Press,1971XII, 272 p. ;17 cmEducazione.b1264633702-04-1417-03-04991000626379707536LE022 MP 64 I 3012022000026895le022-E0.00-l- 02020.i1315085617-03-04Investment in human capital274507UNISALENTOle02217-03-04ma -engxxu01