S. Suyanta, M. Mudasir, W. Nugroho, and K. Fajariatri, “Externally Silylated RH-MCM-48 from Rice Husk Silica with Superparamagnetic Iron Oxide for Multifunctional Applications”, ajc, vol. 34, no. 8, pp. 1997–2007, Jul. 2022.