Yeunyongkul, P. , Kantawong, P. , Munsin, R. , Jarupoom, P. and Siriprapa, P. 2022. Effect of Composition on Characteristics of Powder Coating Sludge (PCS)-Metakaolin-Based Geopolymer. Trends in Sciences. 19, 11 (May 2022), 4501. DOI:https://doi.org/10.48048/tis.2022.4501.