Amelia, Risma, Siti Chotimah, and Diana Putri. “Pengembangan Bahan Ajar Daring Pada Materi Geometri SMP Dengan Pendekatan Project Based Learning Berbantuan Software Wingeom”. Jurnal Cendekia : Jurnal Pendidikan Matematika 5, no. 1 (March 27, 2021): 759-769. Accessed July 18, 2025. https://www.j-cup.org/index.php/cendekia/article/view/417.