DAVID BARNEY, D.; JOE DEUTSCH, J. The Effects of Middle School Physical Education Curriculum on Student Attitudes: 美國中學生對體育課程的態度. Asian Journal of Physical Education & Recreation, [S. l.], v. 15, n. 1, p. 12–20, 2009. DOI: 10.24112/ajper.151744. Disponível em: https://ejournals.lib.hkbu.edu.hk/index.php/ajper/article/view/1744. Acesso em: 15 aug. 2022.