Chakraborty, Devabrata. An introduction to O level Bengali / Devabrata Chakraborty. - 2nd ed. - Dhaka : Albatross Pub., 2010. - 376p. ; 26 cm. ISBN: 9847002100106 Subjects--Topical Terms: Bengali Language Dewey Class. No.: 491.44071 / CHI 2010