KAHTAN H. ALZUBAIDY; NABILA M. BENNOUR. Algebraic Description of Monadic Second Order Logic. International Journal of Mathematics And its Applications, [S. l.], v. 13, n. 3, p. 83–90, 2025. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1611. Acesso em: 15 sep. 2025.