КОЛЕСНІКОВ, А. П.; ЗЯЙЛИК, М. Ф. DETERMINATION THE LEVEL OF SOCIAL SECURITY OF THE STATE: COMPARISON OF APPROACHES AND PROSPECTS OF DEVELOPMENT. Podilian Bulletin: Agriculture, Engineering, Economics, [S. l.], v. 2, n. 26, p. 157–163, 2017. Disponível em: http://pb.pdatu.edu.ua/article/view/119037. Acesso em: 17 oct. 2021.