Tobarameekul, P., Sangsuradet, S., Chat, N.N. and Worathanakul, P. 2021. Enhancement of CO2 Adsorption Containing Zinc-ion-exchanged Zeolite NaA Synthesized from Rice Husk Ash. Applied Science and Engineering Progress. 15, 1 (Oct. 2021). DOI:https://doi.org/10.14416/j.asep.2020.11.006.