Roja, G., K. Pushpa Rani, Ch. Sabitha, B. Dhanalaxmi, and S. Sreeja. “IOT Based Novel Session Payment System”. International Journal of Engineering & Technology 7, no. 4 (September 5, 2018): 3418–3422. Accessed December 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/21701.