Nasution, Atika Aini, Baginda Harahap, Zuriani Ritonga, and Nurjannah. “The Influence of Product Quality, Promotion and Design on Purchase Decisions for Yamaha Nmax Motor Vehicles SPSS Application Based”. International Journal of Economics (IJEC) 1, no. 1 (June 30, 2022): 01–13. Accessed November 26, 2024. https://ejournal.ipinternasional.com/index.php/ijec/article/view/67.