Sanitation in developing countries : proceedings of a workshop training held in Lobatse, Botswana, 14-20 August 1980
International Development Research Centre
Sanitation in developing countries : proceedings of a workshop training held in Lobatse, Botswana, 14-20 August 1980 (Book) - Ottawa IDRC 1981 - 172 p. 25 cm.
0889362939
Sanitary engineering--Developing countries--Congresses
628.2/.6 (061.3) INT / 11018
Sanitation in developing countries : proceedings of a workshop training held in Lobatse, Botswana, 14-20 August 1980 (Book) - Ottawa IDRC 1981 - 172 p. 25 cm.
0889362939
Sanitary engineering--Developing countries--Congresses
628.2/.6 (061.3) INT / 11018