A. Tejaswi, J. Singh, A. S. Sidhu, and K. Manu, “A Study on Advanced Shopping Trolly”, IJRESM, vol. 3, no. 8, pp. 176–177, Aug. 2020, Accessed: Nov. 21, 2024. [Online]. Available: https://journal.ijresm.com/index.php/ijresm/article/view/156