ETSHRA: Energy Efficient Threshold Sensitive Hierarchical Routing Algorithm for Cognitive Wireless Sensor Networks . International Journal of Information and Electronics Engineering, [S. l.], v. 2, n. 2, p. 213–217, 2012. Disponível em: https://ijiee.org/index.php/ijiee/article/view/96. Acesso em: 16 aug. 2026.