Yeesparan, Suganthi, Mohd Zafri Bin Baharuddin, Norashidah Bt Md Din, and Mohamad Halil Haron. 2018. “A Review of Energy Harvesting Methods for Power Transmission Line Monitoring Sensors”. International Journal of Engineering and Technology 7 (4.35): 153-61. https://doi.org/10.14419/ijet.v7i4.35.22348.