Kuswanto, Jetri Simamora R, Mayasari. The Influence of Product Quality and Promotion on Customer Satisfaction in the Use of Provider Tri Cards in Economic Education Students at Jambi . Futur Econ [Internet]. 2023 Oct. 31 [cited 2026 Jul. 9];3(4):6-17. Available from: https://futurity-econlaw.com/index.php/FEL/article/view/140