Science and agriculture
Swaminathan, M S
Science and agriculture - New Delhi: Arid Zone Research Association of India, 1980 - xiv, 402p.
Agriculture
Education and training Global food security
631 / P2
Science and agriculture - New Delhi: Arid Zone Research Association of India, 1980 - xiv, 402p.
Agriculture
Education and training Global food security
631 / P2