When doing research in Communication Disorders there are a variety of sources available to you. The first step is selecting a topic and figuring out what types of sources of information you will need to use for your research.
If you need peer reviewed articles, you will want to start with a database. If you need background information, a good starting point would be a subject encyclopedia.
If you need help figuring out where to begin you may always contact me.
The following fact sheets are from the National Institute on Deafness and Other Communication Disorders.
Online encyclopedias are a good starting point for research.