Mrs.K.SONI, M. NIHARIKA, R. SAI DURGA, K. MAMATHA. “IMAGE QUALITY ASSESSMENT GUIDED COLLABARATIVE LEARNING OF IMAGE ENHANCEMENT AND CLASSIFICATION OF DR GRADING”. Pegem Journal of Education and Instruction, vol. 13, no. 4, Dec. 2023, pp. 520-6, https://pegegog.net/index.php/pegegog/article/view/4015.