Cahyani, F.P. and humairoh, humairoh 2026. Robux Purchase Decision on Roblox App: Brand Ambassador Influence, Appeal, and Promotional Messages Among Generation Z. Dinasti International Journal of Management Science. 7, 6 (Aug. 2026), 1445–1453. DOI:https://doi.org/10.38035/dijms.v7i6.7100.