RUVIAH, Saniatun; MEGAWATI, Megawati; PITRA, Dedek Helida. Peningkatan Hasil Belajar IPAS Menggunakan Model Problem Based Learning Di Kelas IV SD Negeri 088/II Sungai Mengkuang. Master of Pedagogy and Elementary School Learning, Muara Bungo, v. 1, n. 3, p. 337–347, 2025. DOI: 10.63461/mapels.v13.139. Disponível em: https://journals.literaindo.com/mapels/article/view/139. Acesso em: 22 dec. 2025.