BARAJAS, F. V. A Precise Specification For The Modelling Of Collaborations. Malaysian Journal of Computer Science, [S. l.], v. 23, n. 1, p. 18–36, 2010. Disponível em: https://mjcs.um.edu.my/index.php/MJCS/article/view/6383. Acesso em: 8 jul. 2025.