Kurniawan, T. et al. 2025. The Impact of Trust And Promotion on The Increase In Consumer Usage of The LINKAJA Application at Margomulyo Surabaya Fuel Station. Journal of Economics, Business, and Government Challenges. 8, 1 (Apr. 2025), 61–70. DOI:https://doi.org/10.33005/ebgc.v8i1.1609.