Don't know what database to use? Paste the bolded search string immediately below into Google, and then add a keyword of your choice - such as Marketing or Primary Sources to find the best databases for your topic listed and linked in Cal Poly Research Guides:
site:https://guides.lib.calpoly.edu/?
Examples:
site:https://guides.lib.calpoly.edu/? Marketing
site:https://guides.lib.calpoly.edu/? primary sources
site:https://guides.lib.calpoly.edu/? statistics