Parmar, Mitesh, Nupur Puranik, Dhruva Joshi, Sonal Malpani, and Bhushan Thakare. “State of Art Survey Signature Verification Techniques 2019”. Asian Journal For Convergence In Technology (AJCT) 5, no. 3 (March 26, 2020): 91-96. Accessed October 26, 2020. http://asianssr.org/index.php/ajct/article/view/927.