Koowuttayakorn, S., and P. Taylor. “Usability and motivation study of mobile application for English language proficiency test preparation in Thailand: A case study of TU-GET CBT”. LEARN Journal: Language Education and Acquisition Research Network, vol. 15, no. 2, July 2022, pp. 625-48, https://so04.tci-thaijo.org/index.php/LEARN/article/view/259943.