Khan, Amir, Kshitija Naik, Harshil Panchal, and Neha Kunte. “ShopNDrop Using Smart Trolley”. SAMRIDDHI : A Journal of Physical Sciences, Engineering and Technology 12, no. SUP 1 (June 30, 2020): 354-356. Accessed October 12, 2025. https://smsjournals.com/index.php/SAMRIDDHI/article/view/2315.