Omkar Santosh Shinde, Amit Suresh Babar, Om Nitin Shinde, and V. A. Pandit. “IoT-Enabled Intelligent Shopping Trolley With Automated Billing Using Raspberry Pi”. Journal of Microprocessor and Microcontroller Research (July 8, 2025): 30–38. Accessed April 19, 2026. https://matjournals.net/engineering/index.php/JoMMR/article/view/2142.