G. Tejaswai, Manasa, C., Sandhya Sri, A., Sravani, A., Thanusree, C., & Lakshmi Akhila, K. (2024). Development of an IoT-Based QR Code Access Control and Payment System using Arduino and ESP8266. *Journal of Science & Technology*, *09*(06), 20–32. https://doi.org/10.46243/jst.2024.v9.i06.pp20-32
