A. Daher, Soory, and سوری. “Determining Values of Some Optical Constants for Some Colorants”. Journal of Education and Science (JES) 25, no. 1 (March 1, 2012): 79–86. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17687.