Ferdinand F, Ginting ES, Effendi N. The Influence of Price, Promotion and Product Quality on Affinois Purchase Decisions . Int. J. on Social Sci, Econ and Art [Internet]. 2021 Nov. 30 [cited 2026 Apr. 21];11(3):130-6. Available from: https://ijosea.isha.or.id/index.php/ijosea/article/view/63