Wahyuningrum, M. Y. A. . “Factors Affecting the Purchase Decision of Skincare Products: Perspectives of Promotion, Product Quality, and Price”. Journal of Management Science (JMAS), vol. 8, no. 1, Jan. 2025, pp. 128-36, https://exsys.iocspublisher.org/index.php/JMAS/article/view/621.