Guerrero Mayorga, O. (2019) “THE JUS COGENS THE GROUND NORM OF INTERNATIONAL LAW”, Journal of Law of the Faculty of Legal and Social Sciences, 2(1), pp. 1–15. Available at: https://revistas.unanleon.edu.ni/index.php/revistadederecho/article/view/145 (Accessed: 1 May 2024).