J.Bama, and Dr. M.S. Thanabal. “Privacy Preserving Access of Outsourced Data in Heterogeneous Databases”. Global Journal of Computer Science and Technology 18, no. C2 (May 25, 2018): 15–19. Accessed July 1, 2024. https://gjcst.com/index.php/gjcst/article/view/559.