Chinmay Patil, Shubham Kasabe, Ronik Mahajan, Ajay Indani, and Ajay Indani. “Attribute Based Storage to Avoid Duplicate Files on Cloud”. International Journal of Advance Research in Engineering, Science & Technology, vol. 5, no. 4, Apr. 2018, pp. 404-10, https://ijarest.org/index.php/ijarest/article/view/1481.