3. Game theory - successful negotiation in purchasing: requirements, incentives and award Pfeiffer, Christoph, Wiesbaden : Springer, 2023. BUS318
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5. Business for communicators: the essential guide to success in corporate and public affairs Duhé, Sandra C., 1968- New York : Routledge, Taylor & Francis Group, 2022. PRA470
6. Tell to win: connect, persuade, and triumph with the hidden power of story Guber, Peter. New York : Crown Business, c2011. JOUR205
9. Business and professional communication: putting people first Floyd, Kory, New York : McGraw-Hill Education, [2020] ECON460
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