Nur Qomalasari E, Nurkholis N, Rinto R. Application Model Problem Based Learning To Improve Learning Outcomes Class II Elementary School. Edusci [Internet]. 2023 Nov. 16 [cited 2026 Sep. 24];1(2):67-7. Available from: https://annpublisher.org/ojs/index.php/edusci/article/view/103