Hung, Cheng-Yu. “The Crisis of Disengagement: A Discussion on Motivation Change and Maintenance across the Primary-Secondary School Transition”. Multidisciplinary Journal of Educational Research 4, no. 1 (February 14, 2014): 70–100. Accessed January 15, 2025. https://hipatiapress.com/hpjournals/index.php/remie/article/view/remie.2014.03.