Sari, Esty, Misdalina Misdalina, and Ety Septiati. “Pengembangan LKPD Berbasis Project Based Learning (PJBL)Materi Bangun Ruang Sisi Datar Untuk Siswa Kelas VIII”. Jurnal Cendekia : Jurnal Pendidikan Matematika 8, no. 1 (March 30, 2024): 634-645. Accessed April 19, 2026. https://www.j-cup.org/index.php/cendekia/article/view/2196.