Ahmedjanova F.A. “The Need to Analyze the Assortment and Improve the Quality of Cosmetic Products for Consumers in Hot Climates”. Mathematical Statistician and Engineering Applications 71, no. 4 (January 11, 2023): 8769–8774. Accessed April 29, 2024. https://www.philstat.org/index.php/MSEA/article/view/1567.