Volume 56, Issue 3 (1973)
Introduction
Table of contents and editorial information
Charles E. Bower
Articles
Updating Adoption
Ralph L. Hamilton
A Test of Some Principles In Information Campaign Planning
Rodolfo N. Salcedo, Hadley Read, James F. Evans, and Ana C. Kong
New Directions in Agricultural Communications Curricula
Eugene A. Kroupa and James Evans
Multi-Media: A Short History
James R. Griffith
Back Matter
Meet ACE Authors
Charles E. Bower
