ACHARYA, E. R. Ranjana Numeral System: A Brief Information. Journal of the Institute of Engineering, [S. l.], v. 13, n. 1, p. 221–224, 2018. DOI: 10.3126/jie.v13i1.20370. Disponível em: https://nepjol.info/index.php/JIE/article/view/20370. Acesso em: 18 may. 2024.