Purkayastha, C. (2023). Working plan for the plains reserves on the South Bank of the Brahmaputra river in the Lakhimpur Division, Assam -1936. Assam Government Press.
Chicago-viite (17. p.)Purkayastha, C. Working Plan for the Plains Reserves on the South Bank of the Brahmaputra River in the Lakhimpur Division, Assam -1936. Assam Government Press, 2023.
MLA-viite (9. p.)Purkayastha, C. Working Plan for the Plains Reserves on the South Bank of the Brahmaputra River in the Lakhimpur Division, Assam -1936. Assam Government Press, 2023.
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