Moreta-Herrera, R., and T. Durán-Rodríguez. “Psychometric Properties of Academic Procrastination Scale (EPA) in a psychology’s Students Group from Ambato, Ecuador.”. Salud & Sociedad, vol. 9, no. 3, Jan. 2019, pp. 236-47, doi:10.22199/S07187475.2018.0003.00003.