Sonthi Warajanont. (2013) Biomass Pellet. <i>Journal of SCIENCE and TECHNOLOGY Mahasarakham University</i>, <i>32</i>(1), 56-63.Sonthi Warajanont. "Biomass Pellet". Journal of SCIENCE and TECHNOLOGY Mahasarakham University 32 (2013):56-63.Sonthi Warajanont. Biomass Pellet. Mahasarakham University:ม.ป.ท. 2013.