NAITO, T.; WASHIZU, N. Gratitude in Life-span Development: An Overview of Comparative Studies between Different Age Groups. The Journal of Behavioral Science, [S. l.], v. 14, n. 2, p. 80–93, 2019. Disponível em: https://so06.tci-thaijo.org/index.php/IJBS/article/view/174664. Acesso em: 24 may. 2024.