M. F. Aulia, D. Suryandi, and J. Nainggolan, “Implementation of Finite State Automata on Pizza Vending Machine System”, jitcos, vol. 1, no. 1, pp. 7–15, Jun. 2025, Accessed: Oct. 09, 2025. [Online]. Available: https://ejournal.multimediatekno.org/index.php/jitcos/article/view/3