Chainetr, S., Khiewwijit, R., Dechthummarong, C. and Ngoenkhumkhong, K. 2022. FORMALDEHYDE ADSORPTION IN AQUEOUS SOLUTION USING EGGSHELL TREATED WITH PLASMA TECHNOLOGY. Srinakharinwirot University Journal of Sciences and Technology. 14, 28, July-December (Dec. 2022), 154–168.