[1]Toan, P.P. et al. 2019. Characterization and adsorption capacity of Amine-SiO2 material for nitrate and phosphate removal. <i>Vietnam Journal of Science and Technology</i>. 57, 4 (Jul. 2019), 491. DOI:https://doi.org/10.15625/2525-2518/57/4/13655.