Yamfang, M., and B. Prasartkaew. “Design and Construction of the Lotus Root Slicing Machine to Increase the Efficiency of the Agricultural Product Process”. Frontiers in Engineering Innovation Research, vol. 17, no. 1, June 2019, pp. 139-48, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241937.