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 & Technology 7 (4.35): 153-61. https://doi.org/10.14419/ijet.v7i4.35.22348.