Phopayom, Somchai, Thongchai Khrueaphue, and Phongston Khunkrom. “Development of Straw Extrusion Machine for Pellet Biomass Production”. RMUTL Journal of Business Administration and Liberal Arts 5, no. 2 (June 30, 2017): 73–76. Accessed May 3, 2024. https://so05.tci-thaijo.org/index.php/balajhss/article/view/94747.