KIKI AMBAR WATY MALAU; MUKHTAR MUKHTAR. IMPROVING STUDENT’S MATHEMATICAL PROBLEM-SOLVING ABILITY BY USING MISSOURI MATHEMATICS PROJECT AT SMP NEGERI 4 MEDAN. JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM, [S. l.], v. 2, n. 1, p. 239–253, 2023. DOI: 10.55606/jurrimipa.v2i1.807. Disponível em: https://prin.or.id/index.php/JURRIMIPA/article/view/807. Acesso em: 2 may. 2024.