Mahmudur Rahman,Siddique. One Taka Inland Envelope of Bangladesh: a comprehensive study/ Siddique Mahmudur Rahman. - Dhaka: Rhythm prokashona Sangstha, 2013 - 76p.: 22cm. ISBN: 9.7898483198e+012 Nat. Bib. No.: 2013 Subjects--Topical Terms: Postal Service Dewey Class. No.: 383.495492 / MA2013