Islam, Rafiqul. An introduction to colloquial bengali / by Rafiqul Islam. - 2nd ed. - Dhaka : Bangla Academy, c1970 [2002]. - 153 p. : ill.; 23 cm. ISBN: 9840742264 Subjects--Topical Terms: Bengali Language --studyBengali Language--teaching Dewey Class. No.: 491. 4407 / RAI