“A Comparative Study of Mental Alertness Between Inactive and Active Individuals In Baghdad University Students Aged 18 – 22 Years Old”. Journal of Physical Education 28, no. 4.1 (December 28, 2016): 424–436. Accessed April 30, 2024. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/453.