TY  - BOOK
AU  - Cunningham, William P.
AU  - Cunningham, Mary Ann
TI  - Environmental science: a global concern
SN  - 9789339221263
U1  - 363.7 
PY  - 2015///
CY  - Chennai
PB  - McGraw Hill
KW  - Environmental sciences
KW  - Human ecology
ER  -