Astuti R, Wanda Puspa Dewi, Ade Komaludin, and Iis Surgawati. “Economic Value of Brand : The Role of Gamification, Price Fairness Perception, and Service Quality on Brand Equity through Customer Trust of Wardah Cosmetics”. International Journal of Economics Development Research (IJEDR) 6, no. 5 (August 1, 2025): 2273–2298. Accessed August 10, 2025. https://journal.yrpipku.com/index.php/ijedr/article/view/8822.