Sahat; Saragi, J. F. H. .; Boangmanalu, E. P. D.; Pratama, A. B.; Sinaga, F. T. H.; Qadry, A. . Computer Based Technical Drawing Practical Competency Training (AutoCad 2022) for Students of SMK 1 Raksana Medan. JPMB 2023, 2, 1033-1042.