Gutiérrez-García, Raúl A., et al. «Online Self-Help Programs to Reduce Psychological Distress in Mexican College Students». Gaceta Médica De Caracas, vol. 129, n.º 1S, mayo de 2021, pp. S36-S43, http://caelum.ucv.ve/ojs/index.php/rev_gmc/article/view/22273.