Citation chaining is the name for a process in which you use an information source to find other work that is cited within the first source (backwards chaining) or cites to the first source (forward chaining).
Below is a YouTube video on how citation chaining works in Google Scholar. Keep in mind that you should never have to pay for an article while you are at IUPUI. See "Finding the Full-Text of an Article" for how to access Interlibrary Loan. In this video, look for a "fluff word" that the researcher uses when searching.
Web of Science is a database that has a Citation Map feature that allows you to create a visualization of the citation chain for an article or information source. Here's a video that explains to use this great feature: