2. 
그시작

3. Credits - Image / Steve Carson , http://web.mit.edu/newsoffice/2007/ocw-chart-lrg.jpg

4. from http://www.oercommons.org/logo.jpg

6. by Samdogs , http://www.flickr.com/photos/samdogs/3253791356/sizes/l/

7.
by Samdogs , http://www.flickr.com/photos/samdogs/3253791356/sizes/l/

8. by Danard Vincente , http://www.flickr.com/photos/danardvincente/2512148775/sizes/o/

9.
by Danard Vincente , http://www.flickr.com/photos/danardvincente/2512148775/sizes/o/

10. by Dunechaser , http://www.flickr.com/photos/dunechaser/567753250/sizes/l/in/
set-72057594068446573/

11.
by Dunechaser , http://www.flickr.com/photos/dunechaser/567753250/sizes/l/in/
set-72057594068446573/

13.
by roboppy, http://www.flickr.com/photos/roboppy/115562673/sizes/l/

14.
by roboppy, http://www.flickr.com/photos/roboppy/115562673/sizes/l/

22. Open Knowledge Share Dreams

24. by Erica_Marshall , http://www.flickr.com/photos/erica_marshall/3324280509/sizes/l/

25.
by Erica_Marshall , http://www.flickr.com/photos/erica_marshall/3324280509/sizes/l/

26. by Kevin Eddy , http://www.flickr.com/photos/kevineddy/2103439353/sizes/l/

27.
by Kevin Eddy , http://www.flickr.com/photos/kevineddy/2103439353/sizes/l/

32. by john curley, http://www.flickr.com/photos/ by artic pj, http://www.flickr.com/photos/ by ryancr, http://www.flickr.com/photos/
jay_que/3476940249/sizes/l/ artic/496095688/ ryanr/142455033/sizes/o/

33.
by john curley, http://www.flickr.com/photos/ by artic pj, http://www.flickr.com/photos/ by ryancr, http://www.flickr.com/photos/
jay_que/3476940249/sizes/l/ artic/496095688/ ryanr/142455033/sizes/o/