The Effect of Gratitude on the Happiness Levels of Students in the Faculty of Da’wah and Communication: A Study at Universitas Islam Negeri Sumatera Utara. Indonesian Journal of Counseling and Development, [S. l.], v. 8, n. 1, p. 174–185, 2026. DOI: 10.32939/ijcd.v8i1.7451. Disponível em: https://ejournal.iainkerinci.ac.id/index.php/bkpi/article/view/7451. Acesso em: 5 aug. 2026.