Campbell John M <br/><br/>
Effective communication for the technical man 
Campbell John M; Farrar G L 
 -  1972 
 - x, 273p. Appendix p 251-273  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public Relation Management
<br/><br/><label>Dewey Class. No.: </label>X:8N91, L2