SuperSearch is a great place to start for journal articles, books and almost everything else the library has, in one easy to use interface.
For searching with more focus and precision, try one of the databases recommended on this guide.
Peer review is the gold standard of scholarly work - it's the blue check of scholarly journals. Many databases allow you to limit your search to peer-reviewed articles.
To restrict your search to material from peer-reviewed journals, click on the box next to the “Scholarly (Peer Reviewed Journals)” filter on the left side of the SuperSearch results page.