Chandrawisesa, Muhammad Nezha Alfatah, Annisa Rizky Safitri, Muhammad Zaki Almuzakki, and Tasmi Tasmi. “Comparative Analysis of Mathematical Models: A Case Study of Used Smartphone Price Depreciation”. Limits: Journal of Mathematics and Its Applications 22, no. 2 (July 19, 2025): 85–97. Accessed February 3, 2026. https://journal.its.ac.id/index.php/limits/article/view/3469.