Piñeyro, Diego, et al. “Propiedades psicométricas Del Instrumento Autopercepción Del Estado Emocional (APEEM): Psychometric Properties of the Emotional State Self-Perception Instrument (APEEM)”. Revista Iberoamericana ConCiencia, vol. 4, no. 2, Nov. 2019, pp. 55-69, https://doi.org/10.32654/CONCIENCIAEPG.4-2.5.