Effective crisis communication : moving from crisis to opportunity /

by Ulmer, Robert R. 1969-, Ulmer, Robert R. 1969-, Sellnow, Timothy Lester 1960-, Seeger, Matthew Wayne 1957-
Published 2011

Effective Risk Communication : A Message-Centered Approach /

by Sellnow, Timothy L., Ulmer, Robert R., Seeger, Matthew W., Littlefield, Robert.
Published 2009