VAUTIER, J.-F. The Birth Triangle: a New Approach to Study the Birth of Systems. Advances in Systems Science and Applications, [S. l.], v. 15, n. 1, p. 90–98, 2015. Disponível em: https://ijassa.ipu.ru/index.php/ijassa/article/view/390. Acesso em: 21 nov. 2024.