Cool, C. T., M. C. Claravall, J. L. Hall, K. Taketani, J. P. Zepeda, M. Gehner, and O. Lawe-Davies. “Social Media As a Risk Communication Tool Following Typhoon Haiyan”. Western Pacific Surveillance and Response, vol. 6, no. 5, Nov. 2015, doi:10.5365/wpsar.2015.6.2.HYN_013.