Safitri, Adila, et al. “The Influence of Paikem Based on the Project-Based Learning (PjBL) Learning Model on Learning Outcomes of Students at SMAN 2 Rantau Utara”. International Journal of Educational Research & Social Sciences , vol. 7, no. 4, Aug. 2026, pp. 269-77, doi:10.51601/ijersc.v7i4.1055.