Yunianto T, Nur Hidayati A, Maya Sari T, Qiftiyah M. Optimization of Problem Based Learning Model in Thematic Learning in Elementary Schools. JPE [Internet]. 2024 Dec. 29 [cited 2025 Feb. 6];5(2):159-72. Available from: https://educare.uinkhas.ac.id/index.php/jie/article/view/305