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Marshall, Lisa B. “Are You Making These Common Communication Mistakes?” Quick and Dirty Tips. The Public Speaker, February 4, 2021. https://www.quickanddirtytips.com/business-career/communication/are-you-making-these-common-communication-mistakes.
Coster, Helen. “How To Give A Great Speech.” Forbes. Forbes Magazine, July 11, 2012. https://www.forbes.com/2010/08/16/public-speaking-speeches-communication-leadership-careers-advice.html?sh=7f5e1ed010cf.
