TY  - GEN
AU  - Ileperuma , O. A.
TI  - Environmental polution and the future of mankind
SN  - 9555890072
U1  - 363.73 
PY  - 2000///
CY  - Peradeniya
PB  - Science education unit,university of Peradeniya
KW  - RECOVERY OF POLLUTION PROBLEM
KW  - OVER POPULATION
KW  - AIR POLLUTION
KW  - WATER POLLUTION
KW  - ENVIRONMENTAL SCIENCE
ER  -