Das Gupta D K, Chattopadhyay N C
Higher productivity in agriculture: proceedings of the national symposium on approach to higher productivity of crops held at Calcutta - Newdelhi, Oxford & IBH publishing company 1980 - 178
Agriculture/productivity/management/socio-economic factors
338.16 DAS
100
Higher productivity in agriculture: proceedings of the national symposium on approach to higher productivity of crops held at Calcutta - Newdelhi, Oxford & IBH publishing company 1980 - 178
Agriculture/productivity/management/socio-economic factors
338.16 DAS
100