NARAYANAN, Veena; R.SRIKANTH. On Arithmetical Functions. International Journal of Psychosocial Rehabilitation, [S. l.], v. 24, n. 8, p. 14102–14107, 2020. DOI: 10.61841/q95wqj45. Disponível em: https://psychosocial.com/index.php/ijpr/article/view/12114. Acesso em: 14 aug. 2026.