การดู
2:12
Find Your Natural Tone of Voice
15:53
Skills for Healthy Romantic Relationships | Joanne Davila | TEDxSBU
16:49
How to motivate yourself to change your behavior | Tali Sharot | TEDxCambridge
19:33
Articulate Your Thoughts Clearly: 3 PRECISE Steps!
9:59
How to Speak So That People Want to Listen | Julian Treasure | TED
58:20
Think Fast, Talk Smart: Communication Techniques
1:03:43
How to Speak
5:27
How to Develop A Manly Voice | Art of Manliness