EFEKTIVITAS PENERAPAN PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR MATEMATIKA SISWA KELAS IV MADRASAH IBTIDAIYAH DARURROHMAN INDRAMAYU. JIS [Internet]. 2024 Jan. 6 [cited 2025 Jul. 7];1(4):456-70. Available from: https://journals.iai-alzaytun.ac.id/index.php/jis/article/view/48