K. S. Chunchu, S. A. Razak, S. Saniya, A. K. Morya, and R. P. Kumar, “DR-MERGE: A Large-Scale Multi-Source Retinal Image Dataset for Diabetic Retinopathy via Systematic Integration and Deduplication”, IJASIS, pp. 777–792, Jan. 2026, doi: 10.29284/mfph5424.