Vipin Das, and Prasanth K Baby. 2016. “A STUDY ON PRIVACY PRESERVING MULTI-KEYWORD RANKED SEARCH OVER ENCRYPTED CLOUD DATA”. INTERNATIONAL JOURNAL OF RESEARCH IN COMPUTER APPLICATIONS AND INFORMATION TECHNOLOGY (IJRCAIT) 4 (3): 33-37. https://ijrcait.com/index.php/home/article/view/IJRCAIT_04_03_006.