Siyapong, D., P. . Rodchom, and A. . Eksiri. “The Virtual Reality Technology for Maintenance of Complex Machine in Manufacturing Training”. Srinakharinwirot University Engineering Journal, vol. 16, no. 3, Aug. 2021, pp. 37-52, https://ph02.tci-thaijo.org/index.php/sej/article/view/243447.