SINGH, S.; SATIJA, M. P. Indian Classification Systems:An Analysis. Journal of Information and Knowledge, [S. l.], v. 35, n. 3, p. 165–178, 1998. DOI: 10.17821/srels/1998/v35i3/48679. Disponível em: https://srels.org/index.php/sjim/article/view/48679. Acesso em: 12 jul. 2025.