Sangaran Diagarajan, Manee, Agileswari Ramasamy, Norashidah Bt. Md Din, and Praveen Naidu Vummadisetty. “A Review on the Contemporary Research on Radio Frequency Energy Harvesting”. International Journal of Engineering and Technology 7, no. 3.15 (August 13, 2018): 52–58. Accessed April 18, 2025. https://sciencepubco.com/index.php/IJET/article/view/17406.