Pengaruh Model Problem Based Learning Terhadap Keterampilan Pemecahan Masalah Matematis Peserta didik SMK. Titian Ilmu: Jurnal Ilmiah Multi Sciences, [S. l.], v. 18, n. 1, p. 15–21, 2026. DOI: 10.30599/y2azw444. Disponível em: http://www.journal.unuha.ac.id/index.php/JTI/article/view/4981. Acesso em: 8 aug. 2026.