Al Seadi, T., Rutz, D., Prassl and R. Janssen, 2008. Biogas Handbook. Published by University of Southern Denmark Esbjerg, Niels Bohrs Vej, DK-6700 Esbjerg, Denmark, pp. 9-10.
Crawford, J. and Smith, P. 1985. Landfill technology. London: Butterworths.
Ehrig, H. J.; H. J. Schneider, and V. Gossow, 2011. Encyclopedia of Industrial Chemistry. Wiley-VCH, Weinheim.
doi:
10.1002 /1435.
Iea, 2016. World Energy Outlook. International Energy Agency, ISBN Print: 978-92-64-26494-6 / PDF: 978-92-64-26495-3.
Onyx, 2006. Landfill Gas Capture and Flaring Project. El Hammam Landfills Alexandria, Egypt Version 4-April 2006
Sarah, J. and P.E. Simon, 2007. Landfill Gas as Fuel for Combined Heat and Power. Cogeneration and Distributed Generation Journal. Vol. 22, No. 4.
Surroop, D. and R. Mohee, 2011. Power Generation from Landfill Gas. 2nd International Conference on Environmental Engineering and Applications IPCBEE vol.17. IACSIT Press, Singapore.
Tecle, D.; J. Lee, and S. Hasan, 2009. Quantitative analysis of physical and geotechnical factors affecting methane emission in municipal solid waste landfill. Environ Geol 56:1135–1143.
Themelis, N. J; P. A. Ulloa, 2006. Methane generation in landfills. Earth Engineering Center and Department of Earth and Environmental Engineering, Columbia University,New York, NY 10027, USA.
UEIA, 2015.
Landfill Gas and Biogas. U.S. Energy Information Administration. U.S. department of energy, sw. Washington, DC 20585.
Willumsen, H. 1997. Production and use of landfill gas. Energy Recovery, paper for Inte. Confer. on Solid Waste Management and Technology, 1997, LFG Consult, DK-8800 Viborg, Denmark.
Willumsen, H. 2001.Energy Recovery from Landfill Gas in Denmark and Worldwide, LFG Consult, DK-8800 Viborg, Denmark.
Zaki, T.; A. G. Kafafi,; M. B. Mina, and A. E. Mohamed, 2013. Annual Report for Solid Waste Management in Egypt, 2013. Published by Ministry of State for Environmental Affairs.