Jarwi, M. A. A., M. Mahrus, and A. Doyan. “Project Based Learning (PjBL) Based on Science Practice Tools on Measuring Instrument Material”. BPI Journal of Community Service, vol. 1, no. 1, Nov. 2023, pp. 19-23, https://journals.balaipublikasi.id/index.php/jcss/article/view/126.