The Effectiveness of Problem-Based Learning Supported by Semarang Chinatown-Based Digital Materials on Problem-Solving Skills. Jurnal Inovasi Pendidikan Matematika (JIPM), [S. l.], v. 8, n. 1, p. 51–61, 2026. DOI: 10.37729/jipm.v8i1.7537. Disponível em: https://jurnal.umpwr.ac.id/jipm/article/view/7537. Acesso em: 14 sep. 2026.