Gunawan, I Kadek Adi, Ni Wayan Rati, and I Gde Wawan Sudatha. “Model Problem Based Learning Meningkatkan Hasil Belajar IPA Siswa Sekolah Dasar”. Mimbar Pendidikan Indonesia 2, no. 2 (February 20, 2022): 74–82. Accessed July 17, 2024. https://ejournal.undiksha.ac.id/index.php/JIPI2/article/view/40172.