Md Din, Marina, Norziana Jamil, Jacentha Maniam, and Mohamad Afendee Mohamed. “Indoor Positioning: Technology Comparison Analysis”. International Journal of Engineering & Technology 7, no. 2.14 (April 6, 2018): 133–137. Accessed November 23, 2024. https://sciencepubco.com/index.php/ijet/article/view/12813.