References
- Derebew D. Conference paper presentation on Ethiopia's Renewable Energy Power Potential and Development Opportunities. Abu Dhabi, UAE; 2013.
- International Energy Agency (IEA). Report on Energy situation of Ethiopia. Available from: https://www.iea.org/countries/non-membercountries/ethiopia/ (Accessed December 2015)
- RECIPES. Report on country energy information Ethiopia. Available from: http://www.energyrecipes.org/reports/genericData/Africa/061129%20RECIPES%20country%20info%20Ethiopia.pdf (Accessed September 2014)
- Ethiopian Electric Power Corporation (EEPCo). Report on Energy Sector Master Plan. Available from: http://www.eepco.gov.et/ (Accessed in December, 2015)
- Central Statistical Agency of Ethiopia report on Population census of Ethiopia. Addis Ababa, Ethiopia: CSA 2007.
- National Biogas Program Ethiopia (NBPE) program implementation document. Available from: http://www.snvworld.org/download/publications/nbp_implementation_document_ethiopia_2008.pdf (Accessed November 2014)
- Teodorita S, Tobias F, Silke V, et al. Biogas hand book. Denmark: University of Southern Denmark Esbjerg; 2008.
- World Bank. A review of the World Bank's Forest Strategy and its implementation, Volume I: Main Report. Washington: Operations Evaluation Department, World Bank; 2000.
- Jingfei L, Xiaohua W. Influence of using household biogas digesters on household energy consumption in rural areas: A case study in Lianshui County in China. Renew Sustain Energy Rev. 2005;9: 229–236.
- Edström M, Luostarinen S, Normak A. Working document on overview of biogas technology. Available from: http://www.balticmanure.eu/download/Reports/baltic_manure_biogas_final_total.pdf (2011)
- SNV. A working document on Building viable domestic biogas programmes. Netherlands: The Hague; 2009.
- Eshete G, Heegde FT, Sonder K. Report on the Feasibility Study of a National Program for Domestic Biogas in Ethiopia; 2006.
- Smith JU. The Potential of Small-Scale Biogas Digesters to Alleviate Poverty and Improve Long Term Sustainability of Ecosystem Services in Sub-Saharan Africa. Available from: https://www.abdn.ac.uk/sustainableinternationaldevelopment/documents/Final_Report_-_Potential (Accessed September 2014)
- Aslanzadeh S, Rajendran K, Tahrezadeh J. Household Biogas Digesters: A review. Energ. 2012;5:2911–2942.
- National Biogas Program Ethiopia (NBPE). Workshop on utilisation of bio-slurry for increasing agricultural production. Ethiopia: Mekelle; 2014.
- Keovilay P. Household Biogas Technology to Improve Rural Livelihoods in Laos. J Dev Sustain Agric 2012;7:158–163.
- Subedi M, Abegaz A, Matthews R, et al. Can biogas digesters help to reduce deforestation in Africa: a review. Bio Bioenerg. 2014;30:1–12.
- Arnold M, Ko¨hlin G, Persson R, et al. Fuel wood revisited: what has changed in the last decade?. CIFOR occasional paper No. 39. Jakarta: Centre for International Forestry Research; 2003.
- Parawira W. Biogas technology in Sub-Saharan Africa: status, Prospects and Constraints. Rev Environ Sci Biotech. 2009;8:187–200.
- Akinbami J, Akinwumi I, Ilori M, et al. Biogas energy use in Nigeria: current status, future prospects and policy implications. Renew Sustain Energ Rev. 2001;5:97–112
- Bhardwaj S, Chaudhari AB, Jain KA, et al. Solid and Liquid Wastes. Avenues of Collection and Disposal. Int Res J Environ Sci. 2013;2(3):74–77.
- Engler R, Jordan R, McFarland J, et al. A working document on Economics and Environmental Impact of Biogas Production as a Manure Management Strategy. Available from: http://www.pdfshares.net/file/4fMh/economics-and-environmental-impact-of-biogas-production-as-a.html 2010
- FAO. Global Forest Resources Assessment: Country Report Ethiopia. Rome, Italy: FAO; 2010.
- Central Statistical Agency Report on Livestock and Livestock Characteristics. Addis Ababa, Ethiopia: CSA; 2014.
- Rosenbaum PR, Rubin DB. The central role of the propensity score in observational studies for causal effects. Biometrika. 1983;70(1); 41–55.
- Becher SO, Ichino A. Estimation of average treatment effects based on propensity scores. The Stata Journal 2002;2 (4):358–377.
- Christiaensen L, Heltberg R. Greening China's rural energy: new insights on the potential of smallholder biogas. Environ Dev Econ 2014;19(1):8–29.
- Dereje GM. Evaluating the performance of toilet-linked biogas digesters at two teaching institutes in Addis Ababa. Unpublished M.Sc thesis, Ethiopia: Addis Ababa University; 2008.
- Zebider, A. the contribution of biogas production from cattle manure at household level for forest conservation and soil fertility improvement. Unpublished M.Sc. thesis, Addis Ababa University; 2011.
- Becky E, Scott D, Scott J. Heating With Wood: Producing, Harvesting and Processing Firewood, University of Nebraska – Lincoln Extension, Institute of Agriculture and Natural Resources. Available from: http://www.ianrpubs.unl.edu/epublic/live/g1554/build/g1554.pdf ( Accessed April 2005)
- Shrestha A. Prospects of biogas in terms of socio-economic and environmental benefits to rural community of Nepal. Unpublished master's thesis Tribhuvan University; 2010.
- Niwagaba C. Treatment Technologies for Human Faeces and Urine. unpublished PhD thesis, Swedish University of Agricultural Sciences. Available from: http://pub.epsilon.slu.se/2177/1/niwagaba_c_091123.pdf (Accessed February 2015)
- Aalbers H. Resource Recovery from Faecal Sludge using Constructed Wetlands. A working document. Available from: https://www.google.com/search?q=Resource+Recovery+from+Faecal+Sludge+using+Constructed+Wetlands+pdf&ie=utf-8&oe=utf-8 ( Accessed March 2015)
- Alemayehu G. Anaerobic co-digestion of biodegradable municipal solid waste with human excreta for biogas production. Amer J Appl Chem. 2014;2(4):55–62.
- Mwirigi J, et al. (2014) Socio-economic hurdles to widespread adoption of small-scale biogas digesters in Sub-Saharan Africa: A review, Bio Bioenerg. Available from: http://dx.doi.org/10.1016/j.biombioe.2014.02.018 (Accessed February 2015)