Sanitation in developing countries :
Sanitation in developing countries : proceedings of a workshop on training held in Lobatse, Botswana, 14-20 August 1980 /
- Ottawa : IDRC, 1981.
- 172 p. : ill. ; 24 cm.
Includes bibliographies.
0889362939
Sanitation --Developing countries--Congresses.
Sewage disposal --Developing countries--Congresses.
363.72091724
Includes bibliographies.
0889362939
Sanitation --Developing countries--Congresses.
Sewage disposal --Developing countries--Congresses.
363.72091724