Dr Kamal K Vyas, Mr Dinesh, Dr Sandhya Vyas. “Security Issues in Cloud Based E-Learning Part 1(Basic Introduction)”. International Journal on Future Revolution in Computer Science &Amp; Communication Engineering, vol. 4, no. 7, July 2018, pp. 48-49, http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/1926.