Kurniasih R, Rusnilawati R. Problem Based Learning Model Using Powerpoint Animation Media on Learning Outcomes and Cooperation Attitudes. Numerical: J.Mat and Pend.Mat [Internet]. 2023 Sep. 1 [cited 2025 Sep. 19];7(2):243-52. Available from: https://journal.iaimnumetrolampung.ac.id/index.php/numerical/article/view/3358