Andryana, A., Zaerofi, A. and Indra, I. 2026. Determinants of Loyalty among Gen Z and Millennial Muslim Tourists in Jabodetabek toward Leading Halal Tourism Destinations in Indonesia. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE). 9, 2 (May 2026), 11168-11188. DOI:https://doi.org/10.31538/iijse.v9i2.9693.