YADAV, P.; GHANASH, S.; JOHN, S. A.; TUNYI, V. P. Comparative study of Devnagari script on porous and non-porous surfaces using unconventional writing instruments. iJournals:International Journal of Social Relevance & Concern ISSN:2347-9698, [S. l.], v. 13, n. 6, 2025. Disponível em: https://ijournals.in/journal/index.php/ijsrc/article/view/355. Acesso em: 21 apr. 2026.