Ilahi F, Montessori M, Suryana D. Pendekatan Problem Solving (PBL) terhadap Hasil Belajar Tematik Pada Siswa Sekolah Dasar. basicedu [Internet]. 2020 Aug. 3 [cited 2024 Dec. 22];4(4):969-76. Available from: https://jbasic.org/index.php/basicedu/article/view/490