Jahn, S. a. A. (1981). Traditional water purification in tropical developing countries: Existing methods and potential application. German Agency for Technical Cooperation (GTZ).
Chicago Style (17th ed.) CitationJahn, Samia al Azharia. Traditional Water Purification in Tropical Developing Countries: Existing Methods and Potential Application. Eschborn, Federal Republic of Germany: German Agency for Technical Cooperation (GTZ), 1981.
MLA (9th ed.) CitationJahn, Samia al Azharia. Traditional Water Purification in Tropical Developing Countries: Existing Methods and Potential Application. German Agency for Technical Cooperation (GTZ), 1981.
Warning: These citations may not always be 100% accurate.