Sarumaha, Yenny Anggreini, and Evitri Setiyaningsih. “Pembuktian Rumus Luas Lingkaran Melalui Penemuan Terbimbing”. Jurnal Saintika Unpam : Jurnal Sains dan Matematika Unpam 5, no. 2 (February 7, 2023): 95–110. Accessed January 13, 2026. https://openjournal.unpam.ac.id/index.php/jsmu/article/view/26102.