Nur Ainun Br Damanik, et al. “The Influence of Product Quality, Price, and Promotion on Product Purchase Decisions at AW Cosmetics Store”. Danadyaksa: Post Modern Economy Journal, vol. 4, no. 1, Aug. 2026, pp. 1576 – 1589, https://www.e-journal.bustanul-ulum.id/index.php/danadyaksa/article/view/282.