Pérez, E. ., Nunes, L. M. ., Conchillo, Á. and Recarte, M. Á. . (2008): “Mental workload and visual impairment: differences between pupil, blink, and subjective rating”, The Spanish Journal of Psychology, 11(2), pp. 374–385. Available at: https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0808220374A (Accessed: 26 April 2024).