(1981). Sanitation in developing countries: Proceedings of a workshop on training held in Lobatse, Botswana, 14-20, August 1980. International Development Research Centre.
Citace podle Chicago (17th ed.)Sanitation in Developing Countries: Proceedings of a Workshop on Training Held in Lobatse, Botswana, 14-20, August 1980. Ottawa: International Development Research Centre, 1981.
Citace podle MLA (9th ed.)Sanitation in Developing Countries: Proceedings of a Workshop on Training Held in Lobatse, Botswana, 14-20, August 1980. International Development Research Centre, 1981.
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