Siaputra, I.B. et al. 2023. Exploring the usefulness of the Brief COPE in clinical and positive psychology: A discriminant content validity study. Psikohumaniora: Jurnal Penelitian Psikologi. 8, 1 (May 2023), 163–180. DOI:https://doi.org/10.21580/pjpp.v8i1.15063.