1.
Aprilianto F, Rismen S, Anggraini V. Validitas E-LKPD Interaktif Berbasis Problem Based Learning pada Materi Lingkaran Kelas XI. cendekia [Internet]. 6Oct.2026 [cited 7Oct.2026];10(3):1929-35. Available from: https://www.j-cup.org/index.php/cendekia/article/view/5495