NURHARYANTO, Dwi Widyastuti; JALIANI, Jaliani. THE EFFECT OF THE PROBLEM-SOLVING APPROACH ON THE LEARNING ACHIEVEMENT OF CLASS V PRIMARY SCHOOL STUDENTS. MUST: Journal of Mathematics Education, Science and Technology, [S. l.], v. 9, n. 1, 2024. DOI: 10.30651/must.v9i1.20483. Disponível em: https://journal.um-surabaya.ac.id/matematika/article/view/20483. Acesso em: 14 apr. 2025.