Subba Rao, N. S. (1993). Biofertilizers in agriculture and forestry (3rd ed.). Oxford & IBH Publishing Co..
Chicago Style (17th ed.) CitationSubba Rao, N. S. Biofertilizers in Agriculture and Forestry. 3rd ed. New Delhi: Oxford & IBH Publishing Co., 1993.
MLA (9th ed.) CitationSubba Rao, N. S. Biofertilizers in Agriculture and Forestry. 3rd ed. Oxford & IBH Publishing Co., 1993.
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