SHAHI, Yubraj. Development of Number System; Hindu-Arabic and Devanagari . Prajnik Bimarsha प्राज्ञिक विमर्श, [S. l.], v. 5, n. 10, p. 116–127, 2023. DOI: 10.3126/pb.v5i10.71394. Disponível em: https://www.nepjol.info/index.php/PB/article/view/71394. Acesso em: 8 dec. 2025.