Napoleon Sinaga et al. 2025. The Influence of the Service Marketing Mix on the Purchase Decision of Feb Uki Services With Social Media as a Variable Moderation on Promotions. Dinasti International Journal of Economics, Finance & Accounting. 6, 2 (Apr. 2025), 1089–1120. DOI:https://doi.org/10.38035/dijefa.v6i2.4236.