Junaedi, J., Risnaeni, U. S. and Ishari, N. (2018) “Pengaruh Kualitas Pelayanan dan Harga Terhadap Kepuasan Pelanggan Travel Umrah Di PT. Amanah Fadlilah Insan Lumajang”, IQTISHODUNA: Jurnal Ekonomi Islam, 7(2), pp. 291–325. Available at: https://ejournal.iaisyarifuddin.ac.id/index.php/iqtishoduna/article/view/235 (Accessed: 10 January 2026).