Muliar, Halyna, and Hanna Shust. “General Characteristics of Epidemiological Surveillance System in Ukraine”. Actual problems of law (Aktual’ni problemi pravoznavstva), no. 2 (October 12, 2021): 84–90. Accessed April 8, 2026. https://appj.wunu.edu.ua/index.php/apl/article/view/1187.