Sandija Zeverte-Rivza and Irina Pilvere and Baiba Rivza, Risk Assessment Results in Biogas Production from Agriculture Biomass. journal = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2014, vol. 88(4). 918 - 924 [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/9997874.