ANGGRAINI, P. N.; APRIMA, D.; SILIGAR, E. I. P. Penerapan Model Problem Based Learning Berbantuan Media Konkrit terhadap Kemampuan Pemahaman Konsep IPA Siswa Kelas V SD. Journal of Education Research, [S. l.], v. 5, n. 4, p. 4547–4562, 2024. DOI: 10.37985/jer.v5i4.1605. Disponível em: https://www.jer.or.id/index.php/jer/article/view/1605. Acesso em: 8 jul. 2025.