CIŻKOWICZ, Barbara. Psychometric Properties of the Polish Version of the Social Interaction Anxiety Scale and the Social Phobia Scale: Validity, Reliability and Factor Structure: Factor structure, reliability, and validity. Przegląd Badań Edukacyjnych (Educational Studies Review). Online. 15 December 2025. Vol. 2, no. 57, pp. 183-207. [Accessed 16 December 2025]. DOI 10.12775/PBE.2025.0035.