Nurya Ningsih, Ratna, Abdul Nasser Hasibuan, and Utari Evy Cahyani. “Evaluasi Determinan Kepuasan Jamaah Travel Umroh: Pendekatan SERVQUAL Dan Commitment-Trust Theory”. OIKONOMIKA : Jurnal Kajian Ekonomi dan Keuangan Syariah 5, no. 2 (December 30, 2024). Accessed July 4, 2025. https://e-journal.iainfmpapua.ac.id/index.php/oikonomika/article/view/1633.