First, you will want to go to the business administration LibGuide at libguides.brenau.edu/business. From the home page of the business libguide, choose the articles tab to see a list of databases that are recommended for business research. I chose to search ABI/Inform Complete by Proquest first. It is the second database on the list. Enter your Brenau username and password. I used the search terms Business AND Leadership. Don't forget to include the word AND in your search. I also limited my results to full text and scholarly by clicking on those boxes beneath the search bar. This what your search will look like:
Just a quick look at my first results page showed many useful articles on the topic.