Research is a conversation where many diverse people (scholars, citizens, activists, companies, governments, and others) are discussing your topic. You can find these conversations in academic papers, as well as in other formats like conferences, government white papers, blogs, social media, etc. As a researcher, your job is to listen in on these conversations, understand what's being said, and figure out what it all means. Once you understand what's going on, you can add your own ideas to the discussion.
"Network Tree Diagram," by mat8913 (Mat8913 (talk)), CC0, via Wikimedia Commons
But some of the books which cite Fiedler are even more influential in their fields: