BAUD, Grace Sylvia. Implementation of the project based learning model in improving chemistry achievement for class XI MIPA 4 students at SMAN 1 north halmahera. 12 Waiheru, [S. l.], v. 9, n. 2, p. 143–148, 2023. Disponível em: https://journal.bdkambon-kemenag.id/index.php/12waiheru/article/view/56. Acesso em: 10 jun. 2026.