Klymenko, Ihor Volodymyrovych, Dmytro Volodymyrovych Shvets, Oleh Tsyhanov, and Liudmyla Hennadiivna Mohilevska. “Services Provided by Public Authorities: Features of Legal Regulation in Ukraine and the European Union”. Amazonia Investiga 9, no. 31 (August 7, 2020): 44–51. Accessed September 14, 2025. https://amazoniainvestiga.info/index.php/amazonia/article/view/1452.