TY  - BOOK
AU  - Gupta,Tirath  .
AU  - Mohan,Deepinder   .
TI  - Economics of trees versus annual crops on marginal agricultural lands / 
U1  - 338.1 
PY  - 1982///
CY  - New Delhi : 
PB  - Oxford and IBH Publishing , 
KW  - AGRICULTURAL ECONOMICS
N1  - NULL
ER  -