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Rofikhatul Ula WR, Nugraha YA. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA SEKOLAH DASAR. JISPE [Internet]. 2023 Jul. 7 [cited 2024 Oct. 8];4(1):11-22. Available from: http://newjurnal.idaqu.ac.id/index.php/jispe/article/view/207