You can use the information that you already have to find more sources about your topic. Use any article, book, encyclopedia entry, or subject term to generate more articles, books, and encyclopedias, or find additional search terms.
Scholars cite each other in their articles and books. This is because they are having a scholarly conversation with one another. They critique, comment on, and cite other scholars' work to enhance their own argument. You can use this to your advantage!
Note: This process works best if you do it for multiple sources!
You're writing your paper on the impact farmer's markets and community gardens can have on childhood obesity. You found an article that looks perfect! By using that article's reference list, you find three similar articles, underlined below.
Find three sources you identified to see if they relate to your topic. (You may want to ask a librarian to help you with this step.) Tip: Search for the title of the source in Easy Search. When you find the sources, check their reference lists to find even more sources.