| ϽӸ | [575,539] | |
|---|---|---|
| ؿܼ | [0] | |
| ۷ι Ʈ | [2] | |
| ̵ 긮ν | [577] |
[71] 
![]() |
[GT] 태양 에너지를 이용한 수소 | |
| 기존 수소 생산 시스템의 대부분은 화석 연료에 의존한다. 하지만 최근 MIT 공학자들이 오로지 태양 에너지만 이용하는 새로운 시스템을 개발했다. | ||
![]() |
Marketing to the "Tw | |
| If you have sons and daughters between the ages of 8 and 14, you might still think of them as children. But for more and more businesses, they are neither children nor traditional teenagers; they뭨e tweeners. And tweeners are becoming one of the hottest consumer demographic clusters ?and a big opportunity for revenue growth. | ||
![]() |
This Is Marketing | |
| | Seth Godin | ||
| ǻ | Portfolio | ||
![]() |
||
| | | ||
| ǻ | | ||
![]() |
The Code of the Extr | |
| | Vishen Lakhiani | ||
| ǻ | Rodale Books | ||