WESTSIK, Gy. GENERAL MODEL OF AN INFORMATION SYSTEM FOR CONTROLLING COMPLEX ORGANIZATIONS Periodica Polytechnica Electrical Engineering, [S. l.], v. 13, n. 1-2, p. 47–72, 1969. Disponível em: https://pp.bme.hu/ee/article/view/5131. Acesso em: 3 jul. 2024.