Nurhamidah, R. and Akbar, M.A. 2024. USE OF PROBLEM BASED LEARNING MODELS TO IMPROVE STUDENT LEARNING OUTCOMES AT SD NEGERI 1 BUMIRATU. Journal of Learning on History and Social Sciences. 1, 6 (Jun. 2024), 69–77. DOI:https://doi.org/10.61796/ejlhss.v1i6.664.