Suzaimi, N.D. and Goh, P.S. and Malek, N.A.N.N. and Lim, J.W. and Ismail, A.F. (2020) Enhancing the performance of porous rice husk silica through branched polyethyleneimine grafting for phosphate adsorption. Arabian Journal of Chemistry, 13 (8). pp. 6682-6695. ISSN 18785352