Y. Q YAHYA, N.; S. N. ABDULLAH, H. Optimize the maximum values mr (2, q) for parentheses in (, k, r in PG (2, q). Journal of Education and Science (JES), [S. l.], v. 24, n. 2, p. 159–179, 2011. DOI: 10.33899/edusj.2011.58736. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24476. Acesso em: 6 aug. 2025.