TamPub - Selaus tekijän mukaan "Nyanchaga, Ezekiel Nyangeri"
Juuti, Petri; Katko, Tapio; Mäki, Harri; Nyanchaga, Ezekiel Nyangeri; Rautanen, Sanna-Leena; Vuorinen, Heikki
Tampere University Press, ePublications - Verkkojulkaisut (2007)
bookWater really does matter: presently some 1.2 billion people do not have access to clean water and more than 2.6 billion lack access to proper sanitation. Water-borne diseases cause the death of five to six million people ...