P. Sreelatha, P. Bhuvaneswari, Ellappan Venugopal, Balachandra Pattanaik, T. Praveen Kumar, “Diabetic Retinopathy Detection: Solutions Through Application of Meta-Heuristic Approaches”, Annals of RSCB, vol. 25, no. 2, pp. 4353–4361, Mar. 2021.