As you read papers and work on your presentation, the resources you find on this page can:
Elsevier Reference Works (and books)
There are various ways to search this extensive collection:
You can use Google to find background information, but make sure to assess the reliability and integrity of the information. (See the "Evaluate reliability!" page.)
Use the Google Advanced Search, to do a precise search. Then, evaluate one of the webpages that come up. The resource below provides ideas about how to evaluate websites.
Wikipedia is a good stepping-stone to other material, but make sure you confirm the information independently. Also, concerning the reliability of Wikipedia, see this Wikipedia article "Reliability of Wikipedia".