Cierzniewska R, Błachnio A. Proactive Coping in Youth and Old Age as an Indicator of Identity Formation in an Anormative Context. MJSE [Internet]. 2021Dec.27 [cited 2024May8];10(2 (20):201-18. Available from: https://czasopisma.ignatianum.edu.pl/jpe/article/view/1775