Wongpichet, Seree, and Anusorn Vetchasit. “The Required Energy for Soybean Cutting with Cutter Bar”. Engineering and Applied Science Research 27, no. 1 (March 1, 2013): 47–65. accessed May 11, 2025. https://ph01.tci-thaijo.org/index.php/easr/article/view/6620.