Swathi, D., M. K. Sornalatha, S. Yamini, and S. J. Vivekanandan. “Witness Proof Generation With Security and Verification for Passport Approval”. International Journal of Modern Developments in Engineering and Science 1, no. 6 (June 16, 2022): 38–41. Accessed May 2, 2024. https://journal.ijmdes.com/ijmdes/article/view/43.