IKA SARTIKA. THE USE OF ADAPTIVE LEARNING SYSTEMS TO IMPROVE STUDENTS PROBLEM SOLVING ABILITY IN MATHEMATICS. Jurnal Penelitian Samudra, [S. l.], v. 4, n. 01, 2026. Disponível em: https://samudrajurnal.id/index.php/samudra/article/view/111. Acesso em: 5 apr. 2026.