TY - BOOK AU - White, Connie M. TI - Social media,crisis communication, and emergency: Leveraging Web 2.0 Technologies AV - HM742 .W45 2012 PY - 2012/// CY - London PB - CRC Press KW - 1. Online social networks 2. Emergency management 3. Social media 4. Facebook (Electronic resource) 5. Twitter ER -