Hermansyah, M.T. et al. 2025. Gratitude and Prosocial Behavior in Happiness among Early Adulthood in Indonesian Context. Jurnal Psikologi Teori dan Terapan. 16, 03 (Oct. 2025), 319–326. DOI:https://doi.org/10.26740/jptt.v16n03.p319-326.