What are the difference and similarities among trade associations, labor unions, professional associations, and chambers of commerce?
Answer to relevant QuestionsHow does public relations differ from the fields of journalism, advertising, and marketing?James Grunig has outlined four models of public relations practice. Name and describe each one. Do the models help explain the evolution of public relations theory?Is public relations a profession? Why or why not?Name at least seven services that a public relations firm offers clients.What are major roles of public relations professionals in health organizations?
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