Кузовик, В. Д., and О. Б. Іванець. “Use of Networks Petri for Rational Control of Technological Process”. Proceedings of National Aviation University 16, no. 1 (March 29, 2003): 118–121. Accessed May 1, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/11643.