S. SAIEED, M.; A. NAJIM, Z. Effect of Atomic Charge and Some Physical Properties on pKa of Substituted Pyridines. Journal of Education and Science, [S. l.], v. 24, n. 4, p. 25–33, 1970. DOI: 10.33899/edusj.1970.58953. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41680. Acesso em: 10 sep. 2025.