TY  - BOOK
AU  - Murugeshan, R
TI  - Principles of environmental science and engineering
CY  - Madurai
KW  - Atmospheric pollution
KW  - Biogeochemical cycles
KW  - Ecosystem
KW  - Environment -- Components
KW  - Environmental engineering
KW  - Environmental issues
KW  - Environmental management
KW  - Environmental protocols
KW  - Environmental science
N1  - Includes questions and answers
ER  -