http://indigenouspeoplesissues.com/index.php?option=com_content&view=article&id=5600:aetas-of-tarlac-philippines-issue-challenge-to-the-president-elect-noynoy-aquino&catid=62:southeast-asia-indigenous-peoples&Itemid=84

http://www.cbcpnews.com/?q=node/13788

http://www.cbcpnews.com/?q=node/13758

http://www.minesandcommunities.org/article.php?a=10174