Amarasiri, Sarath
Caring for water - Nugegoda Sri Lanka Nature Forum 2008 - xiv, 161p. : ill., col. photos.
Index included
9789551944001
WATER
HYDROLOGY
WATER - Properties
WATER QUALITY
WATER POLLUTION
556 / A5
Caring for water - Nugegoda Sri Lanka Nature Forum 2008 - xiv, 161p. : ill., col. photos.
Index included
9789551944001
WATER
HYDROLOGY
WATER - Properties
WATER QUALITY
WATER POLLUTION
556 / A5