Doungpueng, K. ., and . S. . Chuan-udom. “Effects of Guide Vane Inclination Patterns on Threshing Losses and Power Requirement”. Agriculture and Natural Resources, vol. 48, no. 2, Apr. 2014, pp. 313-22, https://li01.tci-thaijo.org/index.php/anres/article/view/243265.