ILIE, L. Collapsing Hierarchies in PCGSs with Communication by Commands. Computing and Informatics, [S. l.], v. 15, n. 2-3, p. 173–184, 2012. Disponível em: http://147.213.75.17/ojs/index.php/cai/article/view/699. Acesso em: 8 nov. 2024.