James grunigs four models of public relations
Press agentry model
Grunig’s thinking about the four models of public relations began.
Two-way asymmetrical model example
Models of public relations were proposed by James E. Grunig.
Public information model
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Grunig and hunt (1984)
One of the most important stages in the development of the theory of public relations is when Grunig and Hunt () first identified the four models of communication between .