Memar, Navid, Aneesh Krishna, David McMeekin, and Tele Tan. “Investigating Information System Testing Gamification With Time Restrictions on Testers’ Performance”. Australasian Journal of Information Systems 240 (July 6, 2020). Accessed May 30, 2023. https://journal.acs.org.au/index.php/ajis/article/view/2179.