Implementation of Problem Based Learning Model Assisted by the Quizizz Application to Improve Collaboration and Learning Outcomes in Class X Geography Subjects at SMAN 1 Narmada for the 2023/2024 Academic Year. JISIP [Internet]. 2024 Mar. 19 [cited 2026 Sep. 20];8(2):1356-63. Available from: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/6777