Dymecka, J.; Bidzan-Bluma, I.; Bidzan, M.; Borucka-Kotwica, A.; Atroszko, P.; Bidzan, M. Validity and Reliability of the Polish Adaptation of the Health-Related Hardiness Scale – the First Confirmatory Factor Analysis Results for a Commonly Used Scale. HPR 2020, 8, 248–262.