D. Ponnimbaduge Perera, T., Rajaram, A., Chedup, S., Nalin K. Jayakody, D., & Chen, B. (2018). Hybrid RF/visible light communication in downlink wireless system. International Journal of Engineering and Technology, 7(2.28), 272-275. https://doi.org/10.14419/ijet.v7i2.28.12943