Gruszczyńska, E. “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, Aug. 2007, pp. 285-98, https://czasopisma.uksw.edu.pl/index.php/sp/article/view/2663.