Nikam, M. S. S., and P. J. P. Kshirsagar. “Survey on SeSPHR: A Methodology for Secure Sharing of Personal Health Records in the Cloud Using IOT”. International Journal of Advanced Science and Technology, Vol. 28, no. 7, Sept. 2019, pp. 29 -32, http://sersc.org/journals/index.php/IJAST/article/view/421.