Barreto, Franciny M., and Stéphane Julia. “Formal Approach Based on Petri Nets for Modeling and Verification of Video Games”. Computing and Informatics 40, no. 1 (August 3, 2021): 216–248. Accessed November 22, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/2021_1_216.