Mrs Urmila Biradar, Harshada Makhamale, Nainisha Mahindrakar, Rangoli Agarwal, and Saurabh Pachauli. “ENHANCED AES FOR TEXT ENCRYPTION USING TIMESTAMP (2D)”. International Journal of Advance Research in Engineering, Science & Technology, vol. 2, no. 12, Dec. 2015, pp. 126-9, https://ijarest.org/index.php/ijarest/article/view/371.