Ihsan Basir, Syamsul Bachri, Ponirin, and Muzakir. 2026. “An Integrated Model of Business Ethics and Halal Certification in Building Sustainable Customer Loyalty”. Jurnal Ilmu Ekonomi Dan Bisnis Islam 8 (1), 1-13. https://doi.org/10.24239/jiebi.v8i1.476.1-13.