TY  - BOOK
AU  - Thakuria, M. N.,
AU  - Chakraborty, S.,
TI  - Introduction to environmenatl studies
U1  - 363.7 
PY  - 2004///
CY  - Bongaigaon
PB  - Ashomi Prakashani
KW  - Environmental science
KW  - Introduction to environmental studies
ER  -