“Photodegradation of 2, 4, 5, 6-Tetrachloroisophthalonitrile (Chlorothalonil) by Visible and Ultraviolet Light in the Presence of ZnO and TiO2” (2019) Science Journal of University of Zakho, 7(3), pp. 79–88. doi:10.25271/sjuoz.2019.7.3.605.