ABDEL RAZZAQ MOHAMMED ALTAIE, M.; محمد. Use Sequences to improve the numerical Riemann method to calculate integrals. Journal of Education and Science (JES), [S. l.], v. 24, n. 1, p. 150–162, 1999. DOI: 10.33899/edusj.1999.51458. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17889. Acesso em: 4 aug. 2025.