Brelik, A., Lewicki, W., Bera, M. and Śpiewak-Szyjka, M. 2023. The essence of the potential of the agricultural biogas market in Poland – a case study of a biogas plant project . Economics and Environment. 83, 4 (Jan. 2023), 196–214. DOI:https://doi.org/10.34659/eis.2022.83.4.492.