សៀវភៅ ៣ក្បាលពីការនិយាយជាសាធារណៈ
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1. TED Talks: The Official TED Guide to Public Speaking; by Chris Anderson
2. The Art of Public Speaking by Dale Carnegie
3. Talk Like TED: The 9 Public Speaking Secrets of the World’s Top Minds; by Carmine Gallo
i love it