TANJUNG, I. U.; ARMINSYAH. THE CONSTITUTIONAL PROBLEM OF PERPPU IN THE INDONESIAN LEGAL SYSTEM: TENSIONS BETWEEN EXECUTIVE AND LEGISLATIVE AUTHORITY FROM THE PERSPECTIVE OF CHECKS AND BALANCES. PENA LAW: International Journal of Law, [S. l.], v. 4, n. 1, 2026. DOI: 10.56107/penalaw.v4i1.308. Disponível em: https://penajournal.com/index.php/PENALAW/article/view/308. Acesso em: 23 jul. 2026.