Mookerjee, Joydeep, Subir Chattopadhyay, Tusar Ahmed, and Lavanya Addepalli. “Impact of QR-Codes As a Disruptive Technology During the Covid-19 Contagion”. International Journal on Recent and Innovation Trends in Computing and Communication 10, no. 1s (December 14, 2022): 284–289. Accessed January 22, 2026. https://ijritcc.org/index.php/ijritcc/article/view/5850.