Building a national food security system
Swaminathan, M S
Building a national food security system - New Delhi: Indian Environmental Society, 1981 - 138p.
Agriculture
Soil fertility Desertification
631(042.3) / M1
Building a national food security system - New Delhi: Indian Environmental Society, 1981 - 138p.
Agriculture
Soil fertility Desertification
631(042.3) / M1