Jaseem Pookandy. 2020. “End-to-End Encryption and Data Integrity Verification in Cloud CRM As a Framework for Securing Customer Communications and Transactional Data”. International Journal of Computer Science and Engineering Research and Development (IJCSERD) 10 (1): 18-32. https://ijcserd.in/index.php/home/article/view/IJCSERD_10_01_002.