Sipowicz, Kasper, Marlena Podlecka, i Tadeusz Pietras. 2022. „The meaning of life and health – a comparative study of the concepts of Aaron Antonovsky and Viktor Frankl”. Kwartalnik Naukowy Fides et Ratio 51 (3): 125-32. https://doi.org/10.34766/fetr.v3i51.1110.