ULUMUDDIN, M. Infak dan Sumbangan: Alternatif Sumber Pendanaan Negara Menurut Ekonomi Islam. KACA (Karunia Cahaya Allah): Jurnal Dialogis Ilmu Ushuluddin, [S. l.], v. 8, n. 1, p. 22–35, 2018. DOI: 10.36781/kaca.v8i1.303. Disponível em: https://jurnal.alfithrah.ac.id/index.php/kaca/article/view/303. Acesso em: 26 aug. 2026.