Firdaus, Hamizah Fasihah Hairanil, and Siva Kumar Subramaniam. 2022. “Investigation and Implementation of Beacon Technology for Man Tracking in Oil and Gas Industry”. International Journal of Education, Science, Technology, and Engineering (IJESTE) 5 (1), 33-42. https://doi.org/10.36079/lamintang.ijeste-0501.373.