GUNARDI, Y.; HANAFI, D.; SUPEGINA, F.; ADRIANSYAH, A. Mathematics Base for Navigation Mobile Robot Using Reachability Petri Net. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 10, n. 1-9, p. 65–69, 2018. Disponível em: https://jtec.utem.edu.my/jtec/article/view/3874. Acesso em: 3 dec. 2022.