Sanitation in developing countries:
Sanitation in developing countries: Compiled by Arnold Pacey for Oxfam and the Ross Institute of Tropical Hygiene. - Chichester [Eng. ] ; New York : John Wiley and sons, c1978. - xiv, 238 p. : ill. ; 24 cm.
Papers presented at a conference held at Pembroke College, Oxford, July 5-9, 1977.
0471996556
RA567.S26 1978