Project-Based Learning in the Independent Curriculum: Improving Secondary Students’ Mathematical Problem-Solving Skills. EDUKASIA Jurnal Pendidikan dan Pembelajaran, [S. l.], v. 6, n. 2, p. 1027–1038, 2025. DOI: 10.62775/edukasia.v6i2.1676. Disponível em: https://jurnaledukasia.org/index.php/edukasia/article/view/1676. Acesso em: 4 mar. 2026.