Zamula, Iryna, Tetiana Nazarenko, and Daria Seletska. “Assessment of the Development of the Biomethane Market in Ukraine During and After Martial Law: Environmental and Customs Approaches”. Public Policy and Accounting, no. 2(10) (December 25, 2024): 9–17. Accessed May 25, 2025. https://ppa.ztu.edu.ua/article/view/321791.