Y. Rilda, A. Alif, E. Munaf, B. Salleh, and S. Krista, “Effects of Doped Dodecyl Trimethylammonium Bromide Surfactant on Synthesis and Performance of Nanoporous TiO2-SiO2/Chitosan”, ajc, vol. 27, no. 11, pp. 3983–3987, Jul. 2015.