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.

Bihar (India). Forest Dept. Working Plans Division. Southern Circle and 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.

Bihar (India). Forest Dept. Working Plans Division. Southern Circle and 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.