Sreepradit, A. .; Kunghun, W. .; Kitcharoen, A. .; Treeyung, P. . A Development of Computer Assisted Instruction (CAI) on Machine Tool Practice for First Year Student of Department of Teacher Training in Mechanical Engineering, Faculty of Technical Education, King Mongkut’s University of Technology North Bangkok. JHS.TRU 2020, 14, 66-75.