TY  - GEN
AU  - Rangaswamy A, Annadurai K
AU  - Subbian P
TI  - Farming systems in the tropics
SN  - 8127202304
U1  - 631.0913 RAN 
CY  - Ludhiana, Kalyani Publishers
KW  - Tropical agriculture/indigenous farming system/farming systems research
ER  -