Barłóg, Mateusz, and Ada Krasoń. 2024. “Bilingualism As a Potential Way to Strengthen Psychological Resources: Confidence and the Ability to Express one’s Emotions. Positive Development through Learning a Foreign Language – a Pilot Study”. Quarterly Journal Fides Et Ratio 60 (4): 50-57. https://doi.org/10.34766/fer.v60i4.1317.