ROFIKHATUL ULA, W. R.; NUGRAHA, Y. A. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA SEKOLAH DASAR. JISPE Journal of Islamic Primary Education, [S. l.], v. 4, n. 1, p. 11–22, 2023. DOI: 10.51875/jispe.v4i1.207. Disponível em: http://newjurnal.idaqu.ac.id/index.php/jispe/article/view/207. Acesso em: 8 oct. 2024.