BANGWAR, D. K.; SAAND, A.; KEERIO, M. A.; SOOMRO, M. A.; BHATTI, N. Development of an Amorphous Silica from Rice Husk Waste. Engineering, Technology & Applied Science Research, Greece, v. 7, n. 6, p. 2184–2188, 2017. DOI: 10.48084/etasr.1534. Disponível em: https://etasr.com/index.php/ETASR/article/view/1534. Acesso em: 20 sep. 2021.