- BalkanEngineer - Second biogas power plant launched in Macedonia
- Biogas at Home- and Easy : 8 Steps - Instructables
- How is generated bio
- Techno-economic Analysis of Biogas Conversion Liquid Fuels through Production of Lean-Hydrogen | ACS Engineering Au
- Biogas and Applications in Sustainable Energy
- Technical Challenges and Optimization of Biogas - Afridi 2020 - ChemBioEng Reviews - Wiley Online Library
- Biogas Plant Anaerobic Digestion: How sustainable is it?
- Energies | Free Full-Text Biogas Plant Operation: Digestate as the Valuable Product
- Current state of biogas production Croatia | Sustainability and | Full Text
- Farm biogas plants, a sustainable waste energy and bio-fertilizer opportunity for Iran - ScienceDirect
- natural gas U.S. Energy Information Administration
- Applied Sciences | Free Full-Text | Biogas Plants in Renewable Energy Systems—A Review of Modeling Approaches of Biogas Production
- A critical review on trends in biogas scenario with its up-gradation techniques for fuel cell and future -
- Electricity from Biogas energypedia
- Bioenergy - the pillar of Energiewende | Clean Energy Wire
- Implications Digestion for Bioenergy Production and Management | Ohioline
- How Does Anaerobic Work? US EPA
- How to make - Bigadan
- Sketch of plant | Scientific Diagram