Septianto, R. D., Iskandar, F., Abdullah, M., Khairurrijal, K. and Hwa, L. M. (2018) “Effect of Polystyrene Latex Addition on Size and Pore Volume of Porous Calcium Oxide Particles Prepared by Spray-Pyrolysis Method and Its Ability for SO2 Retention”, Journal of Engineering and Technological Sciences, 50(2), pp. 240-254. doi: 10.5614/j.eng.technol.sci.2018.50.2.6.