Chacón-Borrego, Fátima, Carolina Castañeda-Vázquez, and Juan Antonio Corral-Pernía. “Mood States and Levels of Physical Activity in Adults: Regression Analysis”. Journal of Human Sport and Exercise 13, no. 2proc (July 18, 2018): S199-S208. Accessed May 9, 2024. https://www.jhse.ua.es/article/view/2018-v13-n2-proc-mood-states-levels-physical-activity-adults-reg.