Penerapan Model Problem Based Learning dan Model Project Based Learning terhadap Hasil Belajar Siswa. Science and Physics Education Journal (SPEJ, [S. l.], v. 2, n. 2, p. 42–51, 2019. DOI: 10.31539/spej.v2i2.643. Disponível em: https://journal.ipm2kpe.or.id/index.php/SPEJ/article/view/643. Acesso em: 12 jan. 2026.