Ramadhan, Shireen H. “Measurement of Visual Eeg Signals Stimulated By Yellow Color Photons of Specific Wave Length At Different Intensities”. Science Journal of University of Zakho 2, no. 1 (June 30, 2014): 213–219. Accessed May 6, 2024. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/168.