Pandiangan, S. M. T., Gultom, J. A., Ariani, D., Dharmawan, D., & Butar-Butar, R. S. (2023). Effect of Problem-Based Learning Model on Learning Outcomes in Microeconomic Course. Edumaspul: Jurnal Pendidikan, 7(2), 5572-5575. https://doi.org/10.33487/edumaspul.v7i2.7283