ULIANA; NAPITUPULU, Bettisari; HUTABARAT, Ida Mariati. Improving Mathematical Problem-Solving Skills through the Problem-Based Learning Model on Financial Literacy Material. Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton, [S. l.], v. 11, n. 4, p. 1062–1073, 2025. Disponível em: http://www.jurnal-umbuton.ac.id/index.php/Pencerah/article/view/7312. Acesso em: 20 oct. 2025.