Landong A, Alviona A, Ningrum S, Liavani M. Pengembangan Bahan Ajar Matematika Menggunakan Model Problem Based Learning (PBL) Terhadap Minat Belajar Siswa di Kelas IV Sekolah Dasar. JDI [Internet]. 5Jul.2023 [cited 15Nov.2024];5(3):771-80. Available from: https://journal.laaroiba.com/index.php/jdi/article/view/4181