Kleebmek, W., N. Thepayasuwan, N. Afzulpurkar, and T. Mansumrodkarn. “Dynamic model for stress analysis in universal feed system”. Asia-Pacific Journal of Science and Technology, vol. 13, no. 4, Apr. 2017, pp. 495-00, https://so01.tci-thaijo.org/index.php/APST/article/view/83713.