Biblio

R. Bhatia, «Community-managed sanitation services for the urban poor in Asia, Africa and Latin America : constraints to scaling-up of "islands of succes"». Norway, Ministry of the Environment, Oslo, Norway, p. 32 p. : 1 tab., 2004.

Development Workshop -Guelph, Ont, CA, «Community based solid waste management in Luanda's musseques : a case study», vol. no. 1. Development Workshop, Guelph, Ont, Canada, p. v, 41 p. : 8 fig., 1999.

S. Hall, «Angola : hoping for better times», Waterfront, p. p. 4, 17, 1996.