1.
Syawaludin MR. Pengembangan Perangkat Pembelajaran Matematika Berbasis Problem Based Learning (PBL) pada Materi Integral di Kelas X SMK. IRJE [Internet]. 2024 Oct. 18 [cited 2026 Oct. 24];4(4):1405 -. Available from: https://irje.org/irje/article/view/514