Yes, you should continue link building campaign. As your site in good rank in the search engine now you need to spend few times on building links to maintain those ranks. You should follow some techniques to manage your ranking like: Directory submission, Link Wheel, Press Release, Classified Ads, Forum Posting, Blog Commenting and Social Bookmarking, blogging etc…. These techniques have helped you to get relevant traffic and high rank.
Last edited by Charlesth on Wed Sep 12, 2012 5:56 pm; edited 4 times in total