Rojviroon, Thammasak, Sanya Sirivithayapakorn, and Orawan Rojviroon. 2019. “Removal of Color and COD from Dyestuff Industry with Continuous-photocatalytic Reactor”. Frontiers in Engineering Innovation Research 17 (1):41-54. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241928.