SINAGA, C. V. R.; MARBUN, Y. M. Pengaruh Pendekatan Contextual Learning dan Perhatian pada Interaksi Kelas terhadap Kemampuan Pemecahan Masalah Matematika. Journal of Education Research, [S. l.], v. 5, n. 4, p. 5308–5314, 2024. DOI: 10.37985/jer.v5i4.1736. Disponível em: https://jer.or.id/index.php/jer/article/view/1736. Acesso em: 1 jul. 2025.