Maspul, Kurniawan Arif. “Integrating Specialty Coffee into Pilgrimage Tourism: Cultural and Economic Opportunities in Makkah and Madinah”. Qomaruna Journal of Multidisciplinary Studies 2, no. 2 (July 6, 2025): 99–109. Accessed July 6, 2025. https://jurnal.uqgresik.ac.id/index.php/qjms/article/view/73.