Wirbelauer, C.

Wirbelauer, C., 2004. Proceedings of an awareness raising workshop on ecological sanitation. September 2nd to 4th 2003, Gaborone, Botswana, Gaborone, Botswana: IUCN Botswana. Available at: https://nl.ircwash.org/sites/default/files/Wirbelauer-2004-Proceedings.pdf.