M.AntonyAmmal, Dr.D.Gladis , Dr.AtheekShaik. “A COMPARATIVE APPROACH TODETECT GLAUCOMA IN RETINAL IMAGES”. International Journal of Advanced Science and Technology, Vol. 29, no. 7s, Apr. 2020, pp. 1351 -62, http://sersc.org/journals/index.php/IJAST/article/view/10708.