KOnsep State Amien Rais dan Nurcholis Madjid. Substantia: Jurnal Ilmu-Ilmu Ushuluddin, [S. l.], v. 15, n. 1, p. 41–52, 2013. DOI: 10.22373/substantia.v15i1.4883. Disponível em: https://jurnal35.ar-raniry.ac.id/index.php/substantia/article/view/4883. Acesso em: 22 jul. 2026.