NEHA SAINI; JASMEET SINGH. A Survey: Hierarchal Routing Protocol in Wireless Sensor Networks. Global Journal of Computer Science and Technology, [S. l.], v. 14, n. E1, p. 33–39, 2014. Disponível em: https://computerresearch.org/index.php/computer/article/view/50. Acesso em: 3 may. 2024.