Peer reviewed articles have been reviewed and accepted by specialists in their field before being published. This ensures that the journals maintain their reputation and the research quality is upheld.
Use the filter in Primo to narrow by 'Peer Reviewed' or search Emerald Insight to find only peer reviewed articles.
The Academic Journal Guide produced by Chartered Association of Business Schools (CABS) is a good place to start to gain a guide to a journals quality and ranking.
Many journals also add their (CABS) ranking or impact factor on their publisher's website.
Chartered Association of Business Schools - Academic Journal Guide This guide is based upon peer review, editorial, and judgements by those specialists in the field.
There are a number of other lists/methods that can be found on the AACSB The Association to Advance Collegiate Schools of Business (AACSB) website:
https://www.aacsb.edu/knowledge/resources/journal%20rankings This list include Scopus, Web of Knowledge - citation reports and also includes the 'Journal Quality List' https://harzing.com/resources/journal-quality-list ( collation of journal rankings from a variety of sources).