TY  - BOOK
AU  - G S Dhaliwal and D S Kler 
AU  - Dhaliwal, G S    Kler, D S 
TI  - Principles of Agricultural Ecology 
SN  - 8174930116 
U1  - 574.5264 
PY  - 1995///
CY  - Mumbai
PB  - Himalaya
KW  - Agricltural Ecology
ER  -