KHALED, Mohammad Ataullah. Historical Development of Bangladesh and Bengali Language. International Journal of Social, Political and Economic Research, [S. l.], v. 7, n. 4, p. 1177–1218, 2020. DOI: 10.5281/zenodo.14649727. Disponível em: https://ijosper.uk/index.php/i/article/view/274. Acesso em: 31 jan. 2025.