Chuan-udom, S. “Patterns of adjustment of guide vane inclination of axial flow rice threshing unit affecting on threshing unit losses and power requirement when thresh Chainat 1 variety”. Asia-Pacific Journal of Science and Technology, vol. 16, no. 8, Apr. 2017, pp. 973-80, https://so01.tci-thaijo.org/index.php/APST/article/view/83622.