Twinkle Phukan, Parth Tiwari, Ghansyam Rathod, Shreyans Patel. “Biometric Cashless Payment System”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 13, no. 03 (August 4, 2022): 238–246. Accessed April 30, 2024. https://turcomat.org/index.php/turkbilmat/article/view/12928.