| Artist | : | Robert Waldinger: What makes a good life? Lessons from the longest study on happiness | TED |
| Title | : | TED |
| Duration | : | 767 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Robert Waldinger: What makes a good life? Lessons from the longest study on happiness | TED |
| Title | : | TED |
| Duration | : | 767 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |