Ullah, Md. Khalil A potential english grammar and composition / Md. Khalil Ullah. - 12th ed. - Dhaka: Shupti, c2012. - xii, 944p.: ill.;, figs.;, tables;, maps.; 23 cm. Dept. of EEE Subjects--Topical Terms: The Pronoun Dewey Class. No.: 425 / ULP