1. Adhikari, B. and Khanal, S.N. (2015). Qualitative study of landfill leachate from different ages of landfill sites of various countries including Nepal. J Environ Sci Toxicol Food Technol, 9: 2319–2399.
2. Association, A.P.H., Association, A.W.W., Federation, W.P.C. and Federation, W.E. (1920). Standard methods for the examination of water and wastewater. American Public Health Association.
3. Cho, J.K., Park, S.C. and Chang, H.N. (1995). Biochemical methane potential and solid state anaerobic digestion of Korean food wastes. Bioresource Technology, 52: 245–253.
4. Christensen, T.H., Kjeldsen, P., Bjerg, P.L., Jensen, D.L., Christensen, J.B., Baun, A., Albrechtsen, H.-J. and Heron, G. (2001). Biogeochemistry of landfill leachate plumes. Appl. Geochem., 16: 659–718.
5. Ejlertsson, J., Karlsson, A., Lagerkvist, A., Hjertberg, T. and Svensson, B.H. (2003). Effects of co-disposal of wastes containing organic pollutants with municipal solid waste—a landfill simulation reactor study. Adv Environ Res, 7: 949–960.