Ismael, H. and Hikmat, T. 2016. 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, 4.1 (Dec. 2016), 424–436. DOI:https://doi.org/10.37359/JOPE.V28(4.1)2016.453.