The Disabilities office on campus is not just a great place for students with disabilities. They are also a great resource to speak to experts in disability services. You can contact them to get more research ideas and sources.
Sometimes you simply need quick definitions or explinations of subjects. This is when reference sources come in handy. Try these resources:
Here are websites reviewed by the librarians. They do not contain scholarly articles, but will provide you with other information or lists of articles to find. Some even provide you with statistics to use in your own research.