Silviah, Reni. “Analysis of Promotions, Price Perceptions, and Product Quality on Purchasing Decisions (Marketing Management Literature Review)”. Siber International Journal of Education Technology (SIJET) 1, no. 4 (April 30, 2024): 145–152. Accessed December 4, 2024. https://review.e-siber.org/SIJET/article/view/98.