00487cam\a2200169\u\4500 20373 20210413110337.0 160711s2000\\\\xx\a\\\\\\\\\\000\0\eng\\ 9780071625029 CH-GeUNH eng Becker, Ethan F. Mastering communication at work : how to lead, manage, and influence / Ethan F. Becker, Jon Wortmann New York: McGraw-Hill, 2009 English MANUALS/HANDBOOKS ORGANIZATIONAL CHANGE ORGANIZATIONAL EFFECTIVENESS LEADERSHIP Wortmann, Jon OHCHR HRE HRE/GTM/4/1 HRE Collection BOOK Books