Below are different source types to support your argument that are available to you at GSU Library. If you don't see what you need, visit our Databases page and read the descriptions. You are always welcome to contact your librarian, Sheeji Kathuria, for more help.
[Image Source: by Mohamed Hassan via Pixabay]
An advanced Google search tip! Add "site:.gov" to your keyword search to limit to websites with a .gov domain. ".gov" sites are U.S. government sites, and include but are not limited to the National Institutes of Health, the Center for Disease Control and Prevention, the U.S. Census, etc.