Izqulby, Mochammad Revo, et al. “KOL Credibility Influence on Generation Z TikTok Skincare Purchase Decision-Making Process: Mediated by Brand Image and Digital Consumer Behavior”. Al-Kharaj: Journal of Islamic Economic and Business, vol. 7, no. 4, Nov. 2025, doi:10.24256/kharaj.v7i4.8239.