Gruszczyńska, Ewa. 2007. “Susan Folkman’ Elaborated (enlarged) Classical Model of Stress and Coping. On a Role and Meaning of Positive Emotions”. Studia Psychologica: Theoria Et Praxis, no. 7 (August):285-98. https://czasopisma.uksw.edu.pl/index.php/sp/article/view/2663.