1. Ham R. Guidance for landfilling waste in economically developing countries; EPA-600/R-98-040 April 1998. CalRecovery Inc., International Solid Waste Association, United States Environmental Protection Agency. Available from: International Solid Waste Association (ISWA) Overgaden Oven Vandet 48 E, DK-1415 Copenhagen K, Denmark.
2. Savage GM, Sharpe H. Assessment of non-regulated household hazardous wastes in the Seattle area. Waste Management and Research 1987; 5(2):159-171.
3. SKAT & Swiss Agency for Development and Cooperation. Solid waste management directory of English-language publications and organisations for low- and middle-income countries. St Gallen: Swiss Centre for Development Cooperation in Technology and Management (SKAT); 1998.