TY  - BOOK
AU  - Agraval, V. P.
AU  - Rana, S V S
TI  - Science development and environment
U1  - 57.02 
PY  - 1990///
CY  - Muzafarnagar
PB  - Society of biosciences
KW  - Biological sciences
KW  - Environmental sciences
KW  - science and environment
ER  -