OKUTANI, T. Retention of amorphous silica in rice hulls at high temperatures. Journal of Metals, Materials and Minerals, Bangkok, Thailand, v. 30, n. 3, 2020. DOI: 10.55713/jmmm.v30i3.663. Disponível em: https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/663. Acesso em: 21 nov. 2024.