R. Maulana, F. Fadliansyah, and A. M. Oktaviani, “Pengaruh Model Pembelajaran Problem Based Learning (PBL) Berbantuan Media Smart Box terhadap Hasil Belajar IPAS Siswa Kelas IV SD Negeri Baros 1”, RIGGS, vol. 4, no. 3, pp. 7450–7454, Oct. 2025.