1. Biogas residues as fertilisers – Effects on wheat growth and soil microbial activities
2. ADB Solid Waste Management in Nepal. (2013).Current status and policy recommendations. Asian Development Bank. Retrieved fromhttps://www.adb.org/sites/default/files/publication/30366/solid-waste-management-nepal.pdf
3. AEPC Alternative Energy Promotion Center Ministry of Energy Water Resources and Irrigation Government of Nepal. (2018).Retrieved fromhttps://www.aepc.gov.np/statistic/biogas-plant
4. Azoulay J. K.(2018).Waste management in Kathmandu Littered Journey New Spotlight. Retrieved fromhttps://www.spotlightnepal.com/2018/07/02/waste-management-kathmandu-littered-journey/
5. BUS. (2018).Biogas User's Survey 2017/18 Nepal Biogas Support Program. Retrieved fromhttps://www.atmosfair.de/wp-content/uploads/anlage-6-monitoring-report-biogas-nepal.pdf