KAGO, J. N.; OKUMU, J.; SINGH, C. S. Elastic scattering of electrons by barium atoms using the distorted wave method. African Journal of Pure and Applied Sciences, Nairobi, Kenya, v. 1, n. 1, p. 33–38, 2020. DOI: 10.33886/ajpas.v1i1.170. Disponível em: https://journals.ku.ac.ke/index.php/AJPAS/article/view/170. Acesso em: 25 aug. 2026.