Kaunang, Fergie Joanda, and Jacquline Waworundeng. “Implementation of Finite State Automata in an Amusement Park Automatic Ticket Selling Machine”. Abstract Proceedings International Scholars Conference 7, no. 1 (December 18, 2019): 1801-1810. Accessed October 27, 2021. https://jurnal.unai.edu/index.php/isc/article/view/1979.