ZULFIKAR, F. QUO VADIS SISTEM PRESIDENSIALIS DI INDONESIA. AL-QISTHAS: JURNAL HUKUM DAN POLITIK, [S. l.], v. 7, n. 2, p. 216–229, 2019. Disponível em: https://jurnal.uinbanten.ac.id/index.php/alqisthas/article/view/1606. Acesso em: 4 jun. 2026.