Naveed, Muhammad Shumail, and Muhammad Sarim. “Didactic Strategy for Learning Theory of Automata & Formal Languages: Didactic Strategy for Learning Automata”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 55, no. 2 (April 5, 2021): 55–67. Accessed December 23, 2024. https://ppaspk.org/index.php/PPAS-A/article/view/171.