PENINGKATAN HASIL BELAJAR BAHASA INDONESIA MENGGUNAKAN MODEL PROBLEM BASED LEARNING DI KELAS IV SDN KARANGREJO 02. koulutus [Internet]. 2023 Sep. 30 [cited 2025 Apr. 4];6(2). Available from: https://ejournal.kahuripan.ac.id/index.php/koulutus/article/view/1136