ULYA, Husna Ni’matul. PERMINTAAN, PENAWARAN DAN HARGA PERSPEKTIF IBNU KHALDUN. Justicia Islamica, [S. l.], v. 12, n. 2, 2016. DOI: 10.21154/justicia.v12i2.325. Disponível em: https://jurnal.iainponorogo.ac.id/index.php/justicia/article/view/325. Acesso em: 19 jan. 2025.