Yamuna.G.K, Chandana.R, Dr. Dayanand Lal, V. Saipreethi, SriLakshmi D. “Improve POS(Point of Sales) Efficiency in a Super Market Using Smart Technologies”. International Journal of Control and Automation 13, no. 4 (May 28, 2020): 769 - 777. Accessed April 27, 2024. http://sersc.org/journals/index.php/IJCA/article/view/18870.