Raut, Bimal Kumar, and Khim Prasad Panthi. “Extraction of Silica Nanoparticles from Rice Husk Ash (RHA) and Study of Its Application in Making Composites”. Journal of Nepal Chemical Society 40 (December 31, 2019): 67–72. Accessed September 22, 2021. https://www.nepjol.info/index.php/JNCS/article/view/27285.