Pachanawan, A., Doungpueng, K., and Chuan-Udom, S. “Effects of disc peg drum parameters on maize shelling performance of an axial flow shelling unit”. International Journal of Agricultural Technology, vol. 17, no. 1, Jan. 2021, pp. 257-76, https://li04.tci-thaijo.org/index.php/IJAT/article/view/5933.