Mahmudur Rahman, S. (2019). Bangladesh First day cover catalogue. Mukto Akash media star limited.
Chicago-čujuhus (17. p.)Mahmudur Rahman, Siddique. Bangladesh First Day Cover Catalogue. Dhaka: Mukto Akash media star limited, 2019.
MLA-čujuhus (9. p.)Mahmudur Rahman, Siddique. Bangladesh First Day Cover Catalogue. Mukto Akash media star limited, 2019.
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