Chacón-Borrego, Fátima, Carolina Castañeda-Vázquez, and Juan Antonio Corral-Pernía. 2018. “Mood States and Levels of Physical Activity in Adults: Regression Analysis”. Journal of Human Sport and Exercise 13 (2proc):S199-S208. https://doi.org/10.14198/jhse.2018.13.Proc2.04.