Bihar (India). Forest Dept. Working Plans Division. Southern Circle & Sinha, J. N. (1961). Revised working plan for the forests of Porahat Division for the period 1953-54 to 196263. Printed by the Superintendent, Secretariat Press, Bihar.
Lua i Stíl Chicago (17ú heag.)Bihar (India). Forest Dept. Working Plans Division. Southern Circle agus Jogendra Nath Sinha. Revised Working Plan for the Forests of Porahat Division for the Period 1953-54 to 196263. Patna: Printed by the Superintendent, Secretariat Press, Bihar, 1961.
Lua MLA (8ú heag.)Bihar (India). Forest Dept. Working Plans Division. Southern Circle agus Jogendra Nath Sinha. Revised Working Plan for the Forests of Porahat Division for the Period 1953-54 to 196263. Printed by the Superintendent, Secretariat Press, Bihar, 1961.