Schwartz, Bill N., Satina V. Williams, and W. Darrell Walden. “The PhD Project: How Successful Is It?”. American Journal of Business Education (AJBE) 4, no. 9 (December 9, 2011): 11-18. Accessed September 7, 2020. https://clutejournals.com/index.php/AJBE/article/view/6665.