MCGUIRE, A. P.; ERICKSON, T. M.; QUACH, C. M.; WILLEY, B. Gratitude for Better or Worse: Differential Predictors and Affective Outcomes of State Gratitude in Positive and Negative Contexts. Journal of Positive School Psychology , [S. l.], v. 3, n. 2, p. 99-111, 2018. Disponível em: https://journalppw.com/index.php/JPPW/article/view/91. Acesso em: 25 sep. 2020.