Muhammad Febri Eka Saputra (2025) “The Constitutional Court’s Authority to Review Government Regulations in Lieu of Law (Perppu) from the Perspective of Separation of Powers”, Tanfizi : Journal of Islamic Constitutional and Political Law, 1(1), pp. 1–15. Available at: https://ejournal.uinbukittinggi.ac.id/index.php/tanfizi/article/view/9616 (Accessed: 7 December 2025).