Juliadi, R., and P. K. D. Lubis. “The Effect of the Contextual Teaching and Learning (CTL) Learning Model Assisted by Learning Video Media on the Economic Learning Outcomes of Class XI IPS Students of SMA Negeri 1 Completed T.A 2022/2023”. Indonesian Journal of Advanced Research, vol. 2, no. 8, Aug. 2023, pp. 1161-76, doi:10.55927/ijar.v2i8.5550.