Review articles (or literature reviews) are a great way to get an overview of a research area, with many references to scholarly and research articles. Review articles undergo peer-review and thus qualify as scholarly articles.
The Annual Review journals are a good source of review articles.
Web of Science (see under Scholarly & Peer-reviewed Articles) is also good: do your search and then limit your results to reviews on the left side.
Here are the top recommended article databases for political science: