Shafi, Irfanuddin, Suriani Mohd Sam, Noor Hafizah Hassan, Norliza Mohamed, and Azizul Azizan. “Review of Indoor Localization Based Services (ILBS) and Its Applications”. Open International Journal of Informatics 10, no. 1 (June 30, 2022): 97–113. Accessed November 25, 2024. https://oiji.utm.my/index.php/oiji/article/view/192.