Affordable water supply and sanitation : selected papers of the 20th WEDC Conference, Colombo, Sri Lanka, 1994 /
WEDC Conference(20th :1994 :Colombo, Sri Lanka)
Pickford, John,1924-
Water, Engineering and Development Centre.
London : Intermediate Technology Publications in association with the Water, Engineering and Development Centre,
1995.
Includes bibliographical references.
Water-supply
Refuse and refuse disposal