D. K. SHIRLEY GLORIA; D. K. SHEENA CHRISTY. Regular Multi-Strings Token Petri Net. International Journal of Mathematics And its Applications, [S. l.], v. 10, n. 1, p. 79–84, 2022. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/16. Acesso em: 3 jul. 2024.