Using the subject headings in this database will help you brainstorm & narrow your topic.
You can filter on the left for "Peer Reviewed" content.
Off campus users: To avoid CAPTCHA errors during peak times, use VPN for access. Google Scholar allows you to simultaneously search scholarly content across many disciplines, databases, and information sources. Results can include books, articles, chapters, conference proceedings, and more.
Tips on using Google Scholar are available here.
Hint: if an article has been cited a lot of times that is a good sign of its worth.