1. Co-digestion of sugar beet silage increases biogas yield from fibrous substrates;Ahmed;BioMed. Res. Int.,2016
2. Characteristics of on-demand biogas production by using sugar beet silage;Ahmed;Anaerobe,2017
3. Standard methods for the examination of water and wastewater, Part 1000;APHA,1999
4. Biotechnological intensification of biogas production;Bagi;Appl. Microbiol. Biotechnol.,2007
5. Expanding the flexibility of biogas plants – substrate management, schedule synthesis and economic assessment;Barchmann;Landtechnik,2016