1. https://launchpad.net/exist/+announcement/20042
2. https://launchpad.net/exist/+announcement/20047
3. https://launchpad.net/exist/+announcement/20048
4. https://launchpad.net/exist/+announcement/20050
5. https://launchpad.net/exist/+announcement/20053
6. https://launchpad.net/exist/+announcement/20057
7. https://launchpad.net/exist/+announcement/20064
8. https://launchpad.net/exist/+announcement/20068
9. https://launchpad.net/exist/+announcement/20070
10. https://launchpad.net/exist/+announcement/20072
11. https://launchpad.net/exist/+announcement/20073
12. https://launchpad.net/exist/+announcement/20076
13. https://launchpad.net/exist/+announcement/20080
14. https://launchpad.net/exist/+announcement/20096
15. http://world-surf.com/forum/worldsurf-talk/77123/exist-to-enjoy/
16. http://myfolio.com/art/hddvi2ty4a
17. http://facebookhitlist.com/forum/topics/exist-launchpand
18. http://www.onfeetnation.com/profiles/blogs/a-href-https-launchpad-net-exist-announcement-20042-https
19. https://paiza.io/projects/4WLSXS00PzmK8IhrsOTxVA?language=php
20. https://pasteio.com/xF1QASezxx0i
21. https://brainly.co.id/tugas/29524624
22. https://www.peeranswer.com/question/5ec74973bc47327646246767