NAZREEN. Letters as Historical Sources: Practice, Method, and Preservation. The Research Frontline - Journal, [S. l.], v. 1, n. 2, p. 24–32, 2026. DOI: 10.66871/trf-j.v1i2.001. Disponível em: https://trfjournal.cdfaindia.org/index.php/trfjournal/article/view/99. Acesso em: 10 jun. 2026.