TY  - BOOK
AU  - Thatheyus, A. Joseph 
TI  - Textbook of environmental studies/by  A. Joseph Thatheyus
SN  -  9788184870947
U1  - 363.7  
PY  - 2011///
CY  - New Delhi: 
PB  - Narosa Publishing; 
KW  - Social Sciences
KW  - Social Problems and Services
KW  - Environmental Science
ER  -