Field, John English step by step / John Field, Translated by Moitreyee Mitra - Bengal ed. - London : B.B.C. English, 1994 [ Impression 1996]. - 101p. : ill. ; 28 cm ISBN: 0195635256 Subjects--Topical Terms: English language--Study and teaching--Bengali speakers Dewey Class. No.: 428.249144 / FIE 1996