ZADOROZHNYI, B.Yu. Doctrinal concepts of obligations of the state: the formulation of the problem. Bulletin of the Karaganda University “Law Series”, [S. l.], v. 91, n. 3, p. 50–58, 2018. Disponível em: https://law-vestnik.buketov.edu.kz/law/article/view/307. Acesso em: 17 may. 2026.