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). doi: 10.56338/ijhess.v7i3.8231.