Pham, L. V., Q. T. Nguyen, X. T. Pham, D. D. Nguyen, M. T. Le, and Q. C. Nguyen. “Indoor Localization Based WiFi and BLE Technologies”. Measurement, Control, and Automation, vol. 3, no. 2, Nov. 2022, pp. 3-8, https://mca-journal.org/index.php/mca/article/view/88.