Pawaree, Narathip, and Sorawin Phukapak. 2022. “The effect of rotational speed on increasing the production rate of Cassava Cutting Machine”. SciTech Research Journal 5 (1). Maha Sarakham, Thailand:1-13. https://ph02.tci-thaijo.org/index.php/jstrmu/article/view/245675.