MACZÓ, K. RENTABILITY OF NC MACHINES AND INPUT/OUTPUT ANALYSIS*. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 30, n. 3-4, p. 305–317, 1986. Disponível em: https://pp.bme.hu/me/article/view/5735. Acesso em: 8 may. 2024.