Mr Punit Patel, Hingorja Tanvi, Dhela Jalpa, Pandya Dhruv, and Mr Kanu Patel. “Item Tracking via Bluetooth”. International Journal of Advance Research in Engineering, Science & Technology, vol. 4, no. 5, May 2017, pp. 120-4, https://ijarest.org/index.php/ijarest/article/view/1509.