Nasution, R. S., Nasution, R. A., & Simatupang, M. (2024). Implementation of Problem Based Learning Model to Improve Student Learning Outcomes in Islamic Education Learning at State Vocational School 3 Sibolga. Journal of Indonesian Primary School, 1(4), 65–71. Retrieved from https://journal.mgedukasia.or.id/index.php/jips/article/view/363