1. Abdullah, F. (1994), “Housing for the urban poor: is low income housing the solution?”, 2nd ENHR Symposium on Housing for the Urban Poor: Housing, Poverty and Developing Countries, Birmingham, April, pp. 11‐14.
2. Afon, A.O. (2007), “Informal sector initiative in the primary sub‐system of urban solid waste management in Lagos, Nigeria”, Habitat International, Vol. 31 No. 2007, pp. 193‐204.
3. Aprodicio, A.L. (1983), Basic Housing‐Policies for Urban Sites, Services and Shelter in Developing Countries, IDRC, Ottawa.
4. Balchin, P.N. (1981), Housing Policy and Needs, The Macmillan Press Ltd, London.
5. Berenson, M.L. and Levine, D. (1996), Basic Business Statistics: Concepts and Application, Prentice‐Hall International Publications, New York, NY.