Tejaswi, Abhijeet, Jitendra Singh, Akash Singh Sidhu, and Kumar Manu. “A Study on Advanced Shopping Trolly”. International Journal of Research in Engineering, Science and Management 3, no. 8 (August 12, 2020): 176–177. Accessed December 3, 2024. https://journal.ijresm.com/index.php/ijresm/article/view/156.