A method-based planning framework for informal settlement upgrading Abbott, John. "A method-based planning framework for informal settlement upgrading." Habitat International 26, no. 3 (2002): 317-333.
The use of GIS in informal settlement upgrading: its role and impact on the community and on local government Abbott, John. "The use of GIS in informal settlement upgrading: its role and impact on the community and on local government." Habitat International 27, no. 4 (2003): 575-593.
Planning and design of urban drainage systems in informal settlements in developing countries Parkinson, J., K. Tayler, and O. Mark. "Planning and design of urban drainage systems in informal settlements in developing countries." Urban Water Journal 4, no. 3 (2007): 137-149.
Settlement and community Layton, Robert. "Settlement and community." In Man, Settlement and Urbanism: Proceedings of a Meeting of the Research Seminar in Archaeology and Related Subjects Held at the Institute of Archaeology, London University, edited by Peter J. Ucko, Ruth Tringham and G. W. Dimbleby. London: Duckworth, 1972.