Datta, Gour Sadhan. A text book of commercial English : for degree students of commerce / Gour Sadhan Datta and Shahabuddin Sikder - Dacca : Mullick, c 1970. - xv, various p. ; 22 cm. 311 311 Subjects--Topical Terms: Commercial correspondenceEnglish language--Business English Dewey Class. No.: 651.7 / S742t