Dindar, Bircan, and Ozlem Seven. 2010. “Photodegradation of 2,4-Dichlorophenoxy Acetic Acid on TiO2, ZnO and Fe2O3 by Sunlight”. Asian Journal of Chemistry 21 (3):2270-82. https://asianpubs.org/index.php/ajchem/article/view/18727.