Krishna Prasad. K., and P. S. Aithal. “Literature Review on Fingerprint Level 1 and Level 2 Features Enhancement to Improve Quality of Image”. International Journal of Management, Technology and Social Sciences (IJMTS) 2, no. 2 (July 27, 2017): 8–19. Accessed July 18, 2025. https://www.supublication.com/index.php/ijmts/article/view/794.