SARI, Nilam; HERYANTO, Heryanto; PERANGINANGIN, Lorena; TOBING, Renatal Halomoan Lumban. The Contribution of Problem-Solving Ability To Self-Regulated Learning of Khairul Imam Medan Middle School Students. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 9, n. 3, p. 887–898, 2024. DOI: 10.31943/mathline.v9i3.645. Disponível em: http://mathline.unwir.ac.id/index.php/Mathline/article/view/645. Acesso em: 27 feb. 2026.