G. H. Kang, H. J. Kwon, I. S. Chung, and C. S. Kim "Development and Usability Evaluation of Mobile Augmented Reality Contents for Railway Vehicle Maintenance Training: Air Compressor Case", Advances in Science, Technology and Engineering Systems Journal, vol. 9, no. 1, pp. 91–103, 2024, doi: 10.25046/aj090109.