Beenish, H., Saman Khan, Wasif Mairaj and Muhammad Fahad (2022) “Design and Implementation of Autonomous Trolley with E Billing”, International Journal of Innovations in Science & Technology, 4(3), pp. 670–682. Available at: https://journal.50sea.com/index.php/IJIST/article/view/338 (Accessed: 22 November 2024).