TY  - BOOK
AU  - Singh, R.P
ED  - International symposium on natural resources management for a sustainable agriculture, First
TI  - Sustainable agriculture: Issues, perspectives and prospects in semi arid tropics 
U1  - 631 20
PY  - 1990///
CY  - New Delhi
PB  - Indian Society of Agronomy
KW  - Economics
KW  - Agricultural economics
KW  - Sustainable development
KW  - Agriculture
KW  - Agriculture and state
KW  - India
N1  - V.1
ER  -