MANURUNG, Ario; ARITONANG, Nancy Naomi G.P. Pengaruh Gratitude terhadap Psychological Well-Being (PWB) pada Siswa Asrama Sma Swasta Assisi di Siantar . Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 4, p. 9012–9025, 2023. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/4681. Acesso em: 13 jul. 2026.