Feby Indayani,  Mulyana, Zumrotul Avifa Kasjib and Nirmala Dewi 2025. The Implementation of Project Based Learning Model in CAD/CAM Instruction to Improve Learning Outcomes of Mechanical Engineering Students. International Journal of Health, Economics, and Social Sciences (IJHESS). 7, 3 (Jul. 2025), 1331~1343. DOI:https://doi.org/10.56338/ijhess.v7i3.8231.