Badshah, A. & Ludwig, R. (1992) Regional Programme for Urban Management in the Asia and Pacific Region, UNDP, June 12, 1992.
2.
Bartone, C. et al. (1994) Towards Environmental Strategy for Cities , UMP Policy Paper No. 18.
3.
Cointreau-Levine, S. (1994) Private Sector Participation in Municipal Solid Waste Services in Developing Countries, UMP Discussion Paper No. 13, 1994, p. 24, 26.
4.
Environmental Quality International (1996) Unleaching personal initiative: Micro-enterprise development among the Zabbaleen of Cairo, Egypt, Case Study presented at the Workshop on Micro-Enterprise Involvement in Municipal Solid Waste Management in Developing Countries, UMP/SDC Collaborative Programme, 14-18 October, 1996.
5.
Furedy, C. (1992) "Garbage, exploring non-conventional options in Asian cities", in Environment and Urbanisation, Vol. 4, No. 2, October 1992 .
6.
Pfammatter, R. & Schertenleib, R. (1996) Non-Governmental Refuse Collection in Low-Income Urban Areas, SANDEC, Dubendorf, Switzerland, Report No. 1, 1996.
7.
Schertenleib, R. & Meyer, W. (1992) Community involvement in municipal solid waste management : a review of community-based primary collection schemes, SANDEC, August 1992.
8.
Schübeler, P., Wehrle, K. & Christen, J. (1996) Conceptual Framework for Municipal Solid Waste Management in Low-Income Countries, UMP Working Paper Series 9, August.
9.
Undp (1992) The Urban Environment in Developing Countries, Environment and Natural Resources Group and Urban Development Programme, UWDP, New York, U.S.A.