Snowball research is an effective way of finding sources for your project, paper, or presentation. This research method uses the citation list in a relevant sources
Start with one source written by a reputable author that is very relevant to your research thesis or argument and scan the references listed. Search and find one of the citations that is related to your topic.
Check the related source to see if it helps your research. After evaluating the next source(s) for credibility, locate another relevant reference listed. Roll "the snowball" and repeat the process.