বাঙ্গলা ভাষার ইতিবৃত্ত. [s.l.] : Bangla Department publications — University of Dhaka,1959. DOI: 10.62328/5wdec592. Disponível em: http://pub.bangla.du.ac.bd/index.php/press/catalog/book/5. Acesso em: 5 aug. 2026.