HASANAH, R.; SARI, D. I. . Keefektifan model pembelajaran berbasis proyek dalam kurikulum merdeka terhadap kemampuan pemecahan masalah siswa kelas IX. Papanda Journal of Mathematics and Science Research, [S. l.], v. 4, n. 2, p. 171–186, 2025. DOI: 10.56916/pjmsr.v4i2.1840. Disponível em: https://ejournal.papanda.org/index.php/pjmsr/article/view/1840. Acesso em: 12 jan. 2026.