Darmayanti, Rani, Akhsanul In'am, Ani Afifah, Anindita Verliana Ridho'i, and Dewi Nurmaltasari. “Analysis of the Need for Pizzaluv-Math Learning Media So That Students Can Easily Learn the Limits of Trigonometric Functions”. Delta-Phi: Jurnal Pendidikan Matematika 1, no. 3 (October 20, 2023): 211–220. Accessed July 22, 2026. https://journal.assyfa.com/index.php/dpjpm/article/view/201.