Sudirjo, Frans, Dian Anggara Kartika Sari, and Iswanto Apri Nugroho. “Development of Promotional Criteria Decision Support System to Increase Sales of Scarlett Whitening Products through Digital Marketing Strategy”. West Science Information System and Technology 2, no. 01 (April 30, 2024): 65–72. Accessed November 21, 2024. https://wsj.westscience-press.com/index.php/wsist/article/view/827.