You can start with the Wikipedia article on second language learning, appearing in the related links. Go from the article to its bibliography part, containing several articles.
You can also start with Stephen Krashen's papers, also appearing in the related links.
The same place you can find them when learning with a male. I would suggest reading the endnotes from articles about it and finding sources that way. Or try Bar Ilan-ing ervah.
In order to find more information on trading futures, their are a variety of different articles published. Some of the most easily understandable information comes from TraderKingdom.
You find articles on plr mines, killer plr, plrplr, they are free articles or you can get some one to write an article for
See a reference librarian. She will help you find articles on child labor.
You can find articles about science on Sciencedaily.com and Sciencenews.org. Scientificamerican.com is another good source of science articles from past issues of the magazine.
You can go to websites that post articles that teach you how to learn French. They vary from beginner to advanced level. There are a few links below this for beginners and you can find where you progress to after learning the basics.
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People can find articles on biology on Google Scholar by searching for the keyword biology.
Best articles site: http://www.articles-oceans.info/
There are many places where one can find articles focused on CMS comparison. One can find articles focused on CMS comparison at popular on the web sources such as Rack Space and CMS Matrix.
One may find these articles on the "Northwest Registered Agent" website. Also, One can find these articles on the Secretary Of State, Debra Bowen, website.
This is quite a specific topic; I doubt you could find said articles with ease.