CHITNIS, R.; FOMIN, F.; GOLOVACH, P. Preventing Unraveling in Social Networks Gets Harder. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 27, n. 1, p. 1085-1091, 2013. DOI: 10.1609/aaai.v27i1.8462. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/8462. Acesso em: 2 may. 2024.