Hamdanah, and Iyan Rosita Dewi Nur. “Analysis of the Implementation of Quipper Learning in Facilitating the Understanding of Derivatives of Trigonometric Functions in High School”. PRISMA, vol. 15, no. 1, June 2026, pp. 127-38, https://jurnal.unsur.ac.id/index.php/prisma/article/view/6151.