Nigam, A. C. (2023). Working plan for the South Surguja Forest Division Bilaspur Circle, Madhya Pradesh for the years 1961-62 to 1975-76. Government Regional Press, Madhya Pradesh.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNigam, Avinash Chandra. Working Plan for the South Surguja Forest Division Bilaspur Circle, Madhya Pradesh for the Years 1961-62 to 1975-76. Government Regional Press, Madhya Pradesh, 2023.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNigam, Avinash Chandra. Working Plan for the South Surguja Forest Division Bilaspur Circle, Madhya Pradesh for the Years 1961-62 to 1975-76. Government Regional Press, Madhya Pradesh, 2023.
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