P, Kalaivani, Rajan C, and Sandhiya S. “An Automated Billing System in Shopping Malls Using Bascart”. Bulletin of Scientific Research 1, no. 1 (May 30, 2019): 62–68. Accessed April 30, 2024. https://journals.asianresassoc.org/index.php/bsr/article/view/129.