Listyalina, Latifah, Yudianingsih Yudianingsih, and Dhimas Arief Dharmawan. “Retinal Digital Image Quality Improvement As A Diabetes Retinopatic Disease Detection Effort”. Journal of Electrical Technology UMY 4, no. 2 (December 9, 2020): 53–60. Accessed April 30, 2025. https://journal.umy.ac.id/index.php/jet/article/view/8590.