Bekti, Sri Ayu Wulandari Setyo Bekti, and Erna Listiana. “The Effect of Gamification and Brand Coolness on Brand Loyalty With Brand Engagement As A Mediating Variable”. Economics and Business Journal (ECBIS), vol. 4, no. 6, Sept. 2026, pp. 3031-50, doi:10.47353/ecbis.v4i6.531.