TY  - BOOK
AU  - R.K. Bhatnagar
AU  - R.K. Palta
TI  - Earthworm : Vermi Culture and Vermi Composting 
SN  - 81-7096-993-8
U1  - 630 BHA-E 
CY  - Kalyani Publisher, Ludhiana
PB  - Kalyani Publisher, 
ER  -