Yendra, N., & Junedi, B. (2026). Pengembangan E-LKPD Problem Based Learning (PBL) pada Materi Geometri Kelas 8 SMP. Jurnal Cendekia : Jurnal Pendidikan Matematika, 10(2), 1279-1290. https://doi.org/10.31004/cendekia.v10i2.4828