Dimitrova, Sevdalina, and Kaspars Kikste. “PREREQUISITES FOR THE ESTABLISHMENT OF THE BALTIC-BLACK SEA UNION”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 22, 2024): 111–115. Accessed October 6, 2024. https://journals.ru.lv/index.php/ETR/article/view/7962.