You can search databases such as these for journal articles. Most provide article citations and abstracts. In many cases, you can find full text of the articles.
In Evidence-Based Practice (EBP), research studies are ranked in a Hierarchy of Evidence. Information sources described near the top of the pyramid are the most thoroughly reviewed and synthesized. The type of sources you need to seek will depend on the type of question you need to answer.
Research design and evidence, CC BY-SA 4.0, via Wikimedia Commons
Because they are written by and for scholars, peer-reviewed articles are often challenging to read.
Try approaching the parts of the article in this order:
If you plan to discuss a source in detail, read the complete article from beginning to end.
Read slowly and look up unfamiliar words. Take notes that summarize your understanding of each section. While you read, try to determine: