Harazaki Dachi, Patrick Ekklesio, and Manahan Parlindungan Saragih Siallagan. 2026. “Business Development Strategy to Improve Profit Margins in Gas Stations Facing Industry Disruptions”. Eduvest - Journal of Universal Studies 6 (3):3508-23. https://doi.org/10.59188/eduvest.v6i3.52594.