Azad, Humayun তুলনামূলক ও ঐতিহাসিক ভাষাবিজ্ঞান / Transliterated title: Tulonamulok o oitihasik bhashabiggan = Comparative and historical linguistics Humayun Azad - 2nd ed. - Dhaka : Agamee Prakashani, c2012. - 188 p. : ill. ; 23 cm. ISBN: 9789840414970 LCCN: Subjects--Topical Terms: Historical linguisticsComparative linguistics LC Class. No.: P201 / .A93 2012