GOW, PHD, G. A. Implementing a Common Alerting Protocol for hazard warning in Sri Lanka. Journal of Emergency Management, Weston, MA, USA, v. 5, n. 2, p. 50–56, 2007. DOI: 10.5055/jem.2007.0055. Disponível em: https://wmpllc.org/ojs/index.php/jem/article/view/1525. Acesso em: 4 may. 2024.