Aprilianto, Fadli, Sefna Rismen, and Villia Anggraini. 2026. “Validitas E-LKPD Interaktif Berbasis Problem Based Learning Pada Materi Lingkaran Kelas XI”. Jurnal Cendekia : Jurnal Pendidikan Matematika 10 (3), 1929-35. https://doi.org/10.31004/cendekia.v10i3.5495.