Buchori, Sahril, Nurfitriany Fakhri, and Ria Andriany Fakhri. “Assessing Intrapersonal Peacefulness: Validation and Cultural Adaptation of the Self-Perception Scale With Indonesian Samples”. Psikohumaniora: Jurnal Penelitian Psikologi 10, no. 2 (November 30, 2025): 297–310. Accessed January 9, 2026. https://journal.walisongo.ac.id/index.php/Psikohumaniora/article/view/25718.