Walęcka-Matyja, K.K. 2021. The role of family communication in shaping the quality of adult sibling interpersonal relationships and the opinions about the social world . Kwartalnik Naukowy Fides et Ratio. 46, 2 (cze. 2021), 77-117. DOI:https://doi.org/10.34766/fetr.v46i2.792.