Takeshi OKUTANI. (2020) Retention of amorphous silica in rice hulls at high temperatures. <i>Journal of Metals Materials and Minerals</i>, <i>30</i>(3), 24-29.Takeshi OKUTANI. "Retention of amorphous silica in rice hulls at high temperatures". Journal of Metals Materials and Minerals 30 (2020):24-29.Takeshi OKUTANI. Retention of amorphous silica in rice hulls at high temperatures. Metallurgy and Materials Science Research Institute Chulalongkorn University:ม.ป.ท. 2020.