Andi Wildani. “PENINGKATAN HASIL BELAJAR IPS MELALUI PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING PESERTA DIDIK KELAS V MI NASRUL HAQ MAKASSAR”. Gurutta: Journal of Learning, Teaching, and Instruction, vol. 1, no. 2, July 2021, pp. 57-69, doi:10.24252/gurutta.v1i2.35767.