Manurung, Ario, and Nancy Naomi G.P Aritonang. “Pengaruh Gratitude Terhadap Psychological Well-Being (PWB) Pada Siswa Asrama Sma Swasta Assisi Di Siantar ”. Innovative: Journal Of Social Science Research, vol. 3, no. 4, Sept. 2023, pp. 9012-25, https://j-innovative.org/index.php/Innovative/article/view/4681.