Glubochenko, Kateryna, Liudmyla Nazarova, and Tatiana Porudeyeva. “Socio-Economic System Evaluation of Ukrainian Black Sea: Array”. Journal of Danubian Studies and Research 9, no. 2 (March 17, 2020). Accessed July 19, 2024. https://dj.univ-danubius.ro/index.php/JDSR/article/view/98.