purwanto, Purwanto. “THE INFLUENCE OF PRODUCT QUALITY, PROMOTION AND DESIGN ON THE PURCHASE DECISION OF YAMAHA MIO MOTOR VEHICLES”. Jurnal Ekonomi 10, no. 01 (June 1, 2021): 17–21. Accessed July 27, 2026. https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/58.