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The competitive margin in communications
Shepherd, William G., (1971)
Anti-social media : executive Twitter "engagement" and attitudes about media credibility
Porter, Michael C., (2015)
Media selection as a strategic component of communication
George, Joey F., (2013)
Communication in industry
Chisholm, Cecil, (1957)
The blueberry industry in New Zealand : report on a study tour, 8.-16.3.1979
Bell, R. W., (1980)
The relation of promotion and training to higher management in British nationalised industries
Bell, R. W., (1951)