Faulkner, Guy E.J., John J.M. Dwyer, Hyacinth Irving, Kenneth R. Allison, Edward M. Adlaf, and Jack Goodman. “Specialist or Nonspecialist Physical Education Teachers in Ontario Elementary Schools: Examining Differences in Opportunities for Physical Activity”. Alberta Journal of Educational Research 54, no. 4 (December 1, 2008). Accessed August 16, 2024. https://journalhosting.ucalgary.ca/index.php/ajer/article/view/55247.