WASET
Aziz, M. , Owens, T. , Zaman, U.. "Received Signal Strength Indicator Based Localization of Bluetooth Devices Using Trilateration: An Improved Method for the Visually Impaired People". World Academy of Science, Engineering and Technology, Open Science Index 146, International Journal of Electronics and Communication Engineering, (2019), 13(2), 88 - 93.