BAUD, Grace Sylvia; MANUEL, Marthin. 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. DOI: 10.47655/12waiheru.v9i2.174. Disponível em: https://12waiheru.kemenag.go.id/index.php/journal/article/view/174.. Acesso em: 22 oct. 2025.