Tsinakos, Avgoustos, and Ioannis Kazanidis. “Identification of Conflicting Questions in the PARES System”. The International Review of Research in Open and Distributed Learning 13, no. 3 (June 12, 2012): 297–313. Accessed April 25, 2024. https://www.irrodl.org/index.php/irrodl/article/view/1176.