Implement Off-Page SEO techniques in high DA sites such as Blogging, Forum posts, Social bookmarking, Press release submission, PDF sharing, Infographic submission etc.
Use article to create link
Writing articles containing information of many people is a great way to create a back-link. You can post articles to your site and publish them on the directory. Each site publish your article will create a back-link. And you can hire someone or something to write to you.
To create effective backlinks, you should do some following SEO techniques are
Press Release/Article Submission/Guest Posting/Web 2.0 Submission /Infographic Submission/Blog Commenting/Social and Image Bookmarking/Forum Submission/PPT Submission.