Third report on the improvement of indigo in Bihar
Howard, Albert, Howard, Gabrielle, L.C.
Third report on the improvement of indigo in Bihar - Calcutta 1916 - 1-34 p. - Pusa Agricultural Research Institute. Bulletin No. 67 .
Third report on the improvement of indigo in Bihar - Calcutta 1916 - 1-34 p. - Pusa Agricultural Research Institute. Bulletin No. 67 .