PULUNGAN, R. O. T. . LEARNING OBSTACLE SISWA SEKOLAH DASAR PADA MATERI BILANGAN DESIMAL. Journal of Professional Elementary Education, [S. l.], v. 2, n. 1, p. 33–40, 2023. DOI: 10.46306/jpee.v2i1.25. Disponível em: https://jpee.lppmbinabangsa.ac.id/index.php/home/article/view/25. Acesso em: 14 jan. 2026.