Chonjaroen, H., Vatcharavongvan, P., & Nomsiri, A. (2024). Health Problems Burden Among Thai Hajj Pilgrims During Hajj Season 2015-2019: Updated Situation of COVID-19. Ijtimā Iyya Journal of Muslim Society Research, 9(2), 215–232. https://doi.org/10.24090/ijtimaiyya.v9i2.11826