Terpugov, Oleksandr, Vitalii Huliaiev, Larysa Yastremska, Iryna Korniienko, Andrii Anatskyi, Alla Kovalenko, Yurii Korniienko, and Olha Filimonenko. “Circular Business Models in Ukraine”. Problems of Environmental Biotechnology, no. 1-2 (September 7, 2024). Accessed April 13, 2026. http://jrnl.nau.edu.ua/index.php/ecobiotech/article/view/18931.