Girsang, T. A. C., Mustikasari, A., & Hidayat, R. (2026). Brand Authenticity And Advocacy Loyalty In Online Communities: The Mediating Role Of Behavioral Engagement. Kontigensi : Jurnal Ilmiah Manajemen, 14(1), 470-483. https://doi.org/10.56457/jimk.v14i1.982