SALSABILA, I. .; YUDIANTO, K. Analisis Pelanggaran Peraturan Tarif Batas Atas PT. Wings Abadi Airlines Station Kualanamu Sumatera Utara. El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam, [S. l.], v. 5, n. 2, p. 598–617, 2024. DOI: 10.47467/elmal.v5i2.558. Disponível em: https://journal-laaroiba.com/ojs/index.php/elmal/article/view/558. Acesso em: 4 may. 2026.