Rojviroon, T. ., . S. . Sirivithayapakorn, and O. . Rojviroon. “Removal of Color and COD from Dyestuff Industry With Continuous-Photocatalytic Reactor”. Journal of Engineering, RMUTT, vol. 17, no. 1, June 2019, pp. 41-54, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241928.