Saragih, Marlindoaman, and Risjunardi Damanik. “Comparison of Student Learning Outcomes Using Problem-Based Learning (PBL)-Based Kahoot and Quizizz Media on Materials ”. Cendikia : Media Jurnal Ilmiah Pendidikan 13, no. 6 (July 30, 2023): 1054-1058. Accessed April 17, 2026. http://ejournal.iocscience.org/index.php/Cendikia/article/view/3922.