Read these sources about literature reviews and concept mapping:
The CREDO Reference database is a compilation of "tertiary sources" meaning reference resources like specialized encyclopedias, dictionaries and informational resources that organize, categorize, collect and summarize information from primary and secondary sources. CREDO provides mind maps for various topics, with an accompanying list of sources. With each click on an item in the mind map, a new list of sources is shown as well as a further iteration of the map with concept at the center.
Clicking on any of the outer points of the Mind Map will lead to a new mind map with that concept at the center and a new list of sources.
Remember that the sources in CREDO help you to understand an overall picture of your topic and the issues embedded within it. You will need to research each of these issues to find scholarly sources for your research paper. The CREDO source can help provide ideas for search terms you might use as your pursue research on your topic.