Jarwi, Muh. Arafatir Al, Mahrus Mahrus, and Aris Doyan. 2023. “Project Based Learning (PjBL) Based on Science Practice Tools on Measuring Instrument Material”. BPI Journal of Community Service 1 (1):19-23. https://journals.balaipublikasi.id/index.php/jcss/article/view/126.