KOZERSKA, Agnieszka and CIECHANOWSKA, Dorota. Declared Social Engagement as a Factor Differentiating Self-Efficacy in Adult Learning. Przegląd Badań Edukacyjnych (Educational Studies Review). Online. 30 October 2026. Vol. 1, no. 61, pp. 197-206. [Accessed 31 October 2026]. DOI 10.12775/PBE.2026.015.