LÓPEZ-PUEYO, Carmen; BARCENILLA, Sara; GIMÉNEZ, Gregorio. The Two Faces of Human Capital and their Effect on Technological Progress. Panoeconomicus, [S. l.], v. 65, n. 2, p. 163–181, 2018. DOI: 10.2298/PAN151002014L. Disponível em: https://panoeconomicus.org/index.php/jorunal/article/view/418. Acesso em: 25 jan. 2026.