Ashrafuzzaman, H. Udbhid Rog Utpadok. Bangladesh Agricultural University.
Chicago-čujuhus (17. p.)Ashrafuzzaman, Hasan. Udbhid Rog Utpadok. Mymensingh: Bangladesh Agricultural University.
MLA-čujuhus (9. p.)Ashrafuzzaman, Hasan. Udbhid Rog Utpadok. Bangladesh Agricultural University.
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