Κουβέλης Π. Τ. Προγραμματισμός και εκβιομηχάνισις . SPOUDAI Journal of Economics and Business, [S. l.], v. 2, n. 1, p. 15–40, 1951. Disponível em: http://spoudai.org/index.php/journal/article/view/37. Acesso em: 20 sep. 2024.