Das Gupta D K, C. N. C. (1980). HIgher productivity in agriculture: Proceedings of the national synposium on approach to higher productivity of crops held at the Ramakrishna mission institute of culture, Calcutta during May, 19-20,1978. Oxford & IBH publishing company.
Chicago Edition CitationDas Gupta D K, Chattopadhyay N C. HIgher Productivity in Agriculture: Proceedings of the National Synposium on Approach to Higher Productivity of Crops Held at the Ramakrishna Mission Institute of Culture, Calcutta During May, 19-20,1978. Newdelhi: Oxford & IBH publishing company, 1980.
MLA引文Das Gupta D K, Chattopadhyay N C. HIgher Productivity in Agriculture: Proceedings of the National Synposium on Approach to Higher Productivity of Crops Held at the Ramakrishna Mission Institute of Culture, Calcutta During May, 19-20,1978. Oxford & IBH publishing company, 1980.