ViktoriiaHolubieva. SOME THEORETICAL AND LEGAL ASPECTS OF INTERNATIONAL AND NATIONAL LEGAL REGULATION OF CROSS-BORDER COOPERATION IN UKRAINE. CIBG [Internet]. 2021 Apr. 30 [cited 2025 Dec. 11];27(2):4922-37. Available from: https://cibgp.com/index.php/1323-6903/article/view/1403