Duong, Hang, Mạnh Kha Hoàng, Anh Vũ Trinh, and Trang Phạm Thị Quỳnh. “High Accuracy Indoor Positioning Approach Using KNN and LSTM Algorithms”. Journal of Military Science and Technology 86, no. 86 (April 28, 2023): 48–55. Accessed November 22, 2024. https://en.jmst.info/index.php/jmst/article/view/836.