Lee, Saeromi, Chang Hyuk Ahn, Jin Chul Joo, and Jae Roh Park. 2016. “Evaluation of Photo-Oxidation Effect Using TiO2 Coated EPS (expanded Polypropylene) in the Stagnant Stream Channel”. Scientific Journal of Environmental Sciences 5 (7):248-50. https://www.sjournals.com/index.php/sjes/article/view/376.