LIA, Lisna; SAFRINA, Khusnul. PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MELALUI MODEL PROBLEM BASED LEARNING PADA PESERTA DIDIK SMP/MTs. Numeracy, [S. l.], v. 12, n. 1, p. 84–98, 2025. DOI: 10.46244/numeracy.v12i1.3117. Disponível em: https://ejournal.bbg.ac.id/index.php/numeracy/article/view/3117. Acesso em: 3 aug. 2026.