Al–Zuk, A. A., S. S. Salman, and B. Sabah. “Enhancement For Image Capture Under Non–Homogenous Lightness Using Retinex Techniques”. Al-Nahrain Journal of Science, Vol. 16, no. 1, Mar. 2013, pp. 102-11, https://anjs.edu.iq/index.php/anjs/article/view/719.