Baud, Grace Sylvia, and Marthin Manuel. “Implementation of the Project Based Learning Model in Improving Chemistry Achievement for Class XI MIPA 4 Students at SMAN 1 North Halmahera”. 12 Waiheru 9, no. 2 (December 1, 2023): 143–148. Accessed November 21, 2024. https://12waiheru.kemenag.go.id/index.php/journal/article/view/174.