Natalia, D., Asriany, Kaban, K. B., & Lamsir, S. (2026). The Influence of Social Media Engagement, Brand Authenticity, and Consumer Identity Expression on Brand Loyalty among Generation Z. Journal Management & Economics Review (JUMPER), 3(10. 1), 621–632. https://doi.org/10.59971/jumper.v3i10. 1.433