Manas Singhal, and Shuchita Saxena. “Study of Electromagnetic Field Attenuation With Distance Using Friis-Based Modeling”. Journal of RF and Microwave Communication Technologies (October 6, 2026): 1–7. Accessed October 15, 2026. https://matjournals.net/engineering/index.php/JoRFMCT/article/view/4242.