Wong Yean Sang, and Oh Pei Ching. 2018. “Tailoring MCM-41 Mesoporous Silica Particles through Modified Sol-Gel Process for Gas Separation”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 42 (1):46-56. https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/2651.