Martins HC, Prata N, Avelar K. The Business Model of Hertzian Radio with A Presence on The Internet: From the Perspectives of Administration and Communication. ASSRJ [Internet]. 2024Apr.5 [cited 2024May20];11(3):398-417. Available from: https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/16735