Traditional water purification in tropical developing countries :
Jahn, Samia al Azharia
Traditional water purification in tropical developing countries : existing methods and potential application / by Samia Al Azharia Jahn. - Eschborn, Federal Republic of Germany : German Agency for Technical Cooperation (GTZ), 1981 - 276 p. : ill. ; 21 cm - GTZ-publications ; 117 . - Schriftenreihe der Deutschen Gesellschaft für Technische Zusammenarbeit ; 117 .
Includes bibliographies and index
3880851166
Drinking water--Tropics--Purification--Handbooks, manuals, etc
Drinking water--Purification--Developing countries--Handbooks, manuals, etc
628 .72 091724
Traditional water purification in tropical developing countries : existing methods and potential application / by Samia Al Azharia Jahn. - Eschborn, Federal Republic of Germany : German Agency for Technical Cooperation (GTZ), 1981 - 276 p. : ill. ; 21 cm - GTZ-publications ; 117 . - Schriftenreihe der Deutschen Gesellschaft für Technische Zusammenarbeit ; 117 .
Includes bibliographies and index
3880851166
Drinking water--Tropics--Purification--Handbooks, manuals, etc
Drinking water--Purification--Developing countries--Handbooks, manuals, etc
628 .72 091724