Vasilev D. PROTECTION AGAINST THE ELECTROMAGNETIC STRENGTH OF THE RADIO WAVES IN COMMUNICATION RADIO NETWORKS: PROTECTION AGAINST THE ELECTROMAGNETIC STRENGTH OF THE RADIO WAVES IN COMMUNICATION RADIO NETWORKS. JSAR [Internet]. 2023 Mar. 26 [cited 2024 Nov. 7];22(1):50-5. Available from: https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/340