Sanitation in developing countries proceedings of a workshop on training held in Lobatse, Botswana, 14-20, August 1980.

Sanitation in developing countries proceedings of a workshop on training held in Lobatse, Botswana, 14-20, August 1980.

書誌詳細
フォーマット: 図書
言語:English
出版事項: Ottawa International Development Research Centre 1981
主題:
Developing countries > Sanitary engineering > Congresses.