Otundo, Joseph Opiri, and Alex C Garn. “Student Interest and Engagement in Middle School Physical Education: Examining the Role of Needs Supportive Teaching”. International Journal of Educational Psychology 8, no. 2 (June 24, 2019): 137–161. Accessed October 4, 2025. http://hipatiapress.com/hpjournals/index.php/ijep/article/view/3356.