I found another 5 web sites which enable do-follow links on the articles, so it means all the links inside your articles would be traced by search engine, so your web site can get benefits on it . The details are listed below :

What has article submissions got to do with SEO? Traditionally, articles are written solely for human readers. For example, a newsletter could be powered by high quality articles. Whenever an article is written and distributed, the subscribers get value from the content.