ŠILEIKA, Algis; TAMAŠAUSKIENĖ, Zita. Investment in Human Capital and its Efficiency. Ekonomika, [S. l.], v. 64, p. 146–157, 2003. DOI: 10.15388/Ekon.2003.17331. Disponível em: https://www.zurnalai.vu.lt/ekonomika/article/view/17331. Acesso em: 18 apr. 2025.