Kropyvnitskiy, Mykola. “CONCEPTUAL CHARACTERISTICS OF THE SYSTEMIC APPROACH AS A METHODOLOGY FOR ENSURING ADMINISTRATIVE AND LEGAL REGULATION OF SOCIAL SECURITY RELATIONS IN UKRAINE ”. Scientific Journal of Polonia University 70, no. 3 (September 5, 2025): 151-158. Accessed September 13, 2025. http://pnap.ap.edu.pl/index.php/pnap/article/view/1502.