SUMINTA, R. R. .; SALEH, A. H. . Conceptualization of Gratitude : Qualitative and Quantitative Approach. Happiness: Journal of Psychology and Islamic Science, [S. l.], v. 5, n. 1, p. 1–17, 2021. DOI: 10.30762/happiness.v5i1.372. Disponível em: https://jurnalfuda.iainkediri.ac.id/index.php/happiness/article/view/372. Acesso em: 3 jul. 2024.