M. Varga, B. Bitáné Bíró, G. Bánkuti, and B. Csukás, “Tax simulation of private enterpreneurs based on generic bi-layered net model”, AAK, vol. 10, no. 1, pp. 93–102, Feb. 2006, Accessed: Dec. 05, 2025. [Online]. Available: https://journal.uni-mate.hu/index.php/aak/article/view/1762