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Eklesia.R, Thalita, Yanti Yandri Kusuma, and Nurhaswinda . “The Implementation of the Problem-Based Learning (PBL) Model to Improve Student Activeness in Elementary School”. Edumaspul: Jurnal Pendidikan 10, no. 1 (March 1, 2026). Accessed April 5, 2026. https://jurnal.unimen.cloud/index.php/maspuljr/article/view/9266.