Domestic use of water and sanitation
Karunadasa, H. I.
Domestic use of water and sanitation a behavioural study in two selected areas of Sri Lanka [Text] Karunadasa, H. I. - Ratmalana National Water Supply and Drainage Board - viii, 84 p. ill. 27 cm.
Environmental Protection Engineering
628.17095C / KAR
Domestic use of water and sanitation a behavioural study in two selected areas of Sri Lanka [Text] Karunadasa, H. I. - Ratmalana National Water Supply and Drainage Board - viii, 84 p. ill. 27 cm.
Environmental Protection Engineering
628.17095C / KAR