Suyanti S. Model Problem Based Learning Dalam Meningkatkan Hasil Belajar Tematik IPS Siswa Sekolah Dasar. SNKP [Internet]. 2023 Aug. 16 [cited 2024 Jul. 3];1(1):40-5. Available from: https://ejournal.ummuba.ac.id/index.php/SNKP/article/view/1332