Prince, Diane J., Richard A. Fulton, and Thomas W. Garsombke. “Comparisons Of Proctored Versus Non-Proctored Testing Strategies In Graduate Distance Education Curriculum”. Journal of College Teaching & Learning (TLC) 6, no. 7 (November 1, 2009). Accessed July 31, 2021. https://clutejournals.com/index.php/TLC/article/view/1125.