Dang, Nhung, Trinh Nguyen, Tuan Phan, Hoa Tran, Phu Dang, and Hien Nguyen. “Synthesis of Silica Nanoparticles from Rice Husk Ash”. Science and Technology Development Journal 20, no. K7 (November 27, 2018): 50-54. Accessed March 29, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1211.