VLIET Bas van Urban waste and sanitation services for sustainable development Harnessing social and technical diversity in East Africa - London Routledge 2014 - x,158p cm. ISBN: 9780415833776 6948.2399999999998 Source: 952, 19/03/2014, The Bookseller General Book Subjects--Topical Terms: Geography Dewey Class. No.: U43:(D8).61, Q4