Prof. (Ms.) Kimaya Ambekar, and Prof. (Dr.) R. Kamatchi. “Performance Analysis of Various Encryption and Multilevel Encryption Techniques for Cloud Computing Security”. International Journal of Computer Engineering in Research Trends, vol. 5, no. 4, Apr. 2018, pp. 122-8, https://www.ijcert.org/index.php/ijcert/article/view/498.