Review and Challenges of Future Technologies in Spectrum Management over Cognitive Radio Network . SMART MOVES JOURNAL IJOSTHE, [S. l.], v. 7, n. 3, p. 29–34, 2020. DOI: 10.24113/ijosthe.v7i3.130. Disponível em: https://ijosthe.com/index.php/ojssports/article/view/130. Acesso em: 1 apr. 2026.