Hutapea, E. R., and Triana Ananda Rustam. “THE EFFECT OF PROMOTION, BRAND IMAGE AND CONSUMER PERCEPTION ON PURCHASE DECISIONS AT SHOPEE”. Jurnal Ekonomi, vol. 12, no. 04, Nov. 2023, pp. 1178-82, https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/2396.