Chandrawisesa, Muhammad Nezha Alfatah, Annisa Rizky Safitri, Muhammad Zaki Almuzakki, and Tasmi Tasmi. “omparative nalysis of athematical odels: ase tudy of sed martphone rice epreciation”. Limits: Journal of Mathematics and Its Applications 22, no. 2 (July 19, 2025): 85–97. ccessed December 7, 2025. https://journal.its.ac.id/index.php/limits/article/view/3469.