Muenkaew, P., J. Duangkhamjan, and S. Chuan-Udom. “Factors affecting sunflower threshing performance of a small axial flow threshing unit”. Engineering and Applied Science Research, vol. 49, no. 5, Oct. 2022, pp. 720-3, https://ph01.tci-thaijo.org/index.php/easr/article/view/249000.