CAN CHULIM, Álvaro. Evaluation of the sodium adsorption ratio in waters of the Tulancingo River, State of Hidalgo, Mexico. REVISTA TERRA LATINOAMERICANA, [S. l.], v. 26, n. 3, p. 243–252, 2008. Disponível em: https://www.terralatinoamericana.org.mx/index.php/terra/article/view/1348. Acesso em: 1 may. 2025.