Tharawadee N, Thuchayapong N. Effects of torrefaction process on physical properties and operating cost of biomass powder. J. Res. Appl. Mech. Eng. [internet]. 2018 Aug. 14 [cited 2026 Mar. 7];3(2):83-8. available from: https://ph01.tci-thaijo.org/index.php/jrame/article/view/140058