M.Anto Bennet, Dr., V. T Tharshini, V. Vinothini, M. Aaryani, S. Soundarya, and S. Akshara. 2018. “Navigation and Obstacle Detection for Visually Impaired Individuals Using RFID and Supersonic Sensor”. International Journal of Engineering & Technology 7 (4.6): 487-89. https://doi.org/10.14419/ijet.v7i4.6.28671.