A. Goeritno, N. A. Wicaksono, R. Irawan, M. Muhidin, I. M. Azama, and E. H. Purwanto, “Performance of the GRBLGru-driven Tiny Machine to Automate the Scratching and Drilling Processes”, J. of App. Sci. & Adv. Eng., vol. 3, no. 1, pp. 13–19, Mar. 2025.