Jain, Kanika..
Water Pollution /
Kanika, Jain.
- New Delhi : Mohit Publications, 2007.
- vi, 208 p. ; 22 cm.
9788174454027
90037496
Water--Pollution--Juvenile literature.--United States
Water quality management.
Water--Pollution.
TD223 / .G38 1990
363.73940973 / JAI