Salim, R. A., Syahril, S., & Erizon, N. (2025). Enhancing vocational education through augmented reality: Android-based learning media for CNC TU-2A instruction in technical and vocational high schools. Journal of Engineering Researcher and Lecturer, 4(2), 103–114. https://doi.org/10.58712/jerel.v4i2.188