Lázár, Erika, et al. “The Eyes Are the Window of the Soul (and UX)? – Pupil Size As a Potential Indicator of Emotional Responses in UX Research”. The Hungarian Journal of Marketing and Management, vol. 60, no. Különszám 1. EMOK, June 2026, pp. 27-40, doi:10.15170/MM.2026.60.KSZ.01.03.