Gurupriya K G and Dr. A. S Aneeshkumar 2026. Single- and Extended-Authority CP-ABE for E-Healthcare Security in Cloud-IoT. International Journal of Computer Information Systems and Industrial Management Applications. 18, 21s (Aug. 2026), 752–772. DOI:https://doi.org/10.70917/ijcisim-2026-5342.