Kimya, E., Hatun, O., & Ekşi, H. (2024). Dispositional hope, psychological flexibility, and psychological distress: Psychometric properties of the Personalized Psychological Flexibility Index among Turkish adults. Psychological Assessment, 36(4), e1–e12. DOI: 10.1037/pas0001303
Çınar, Ö. & Cengiz, E. (2026). Psychometric Validation Turkish Version Personalized Psychological Flexibility Index (T-PPFI) in Disaster Search and Rescue Volunteers. International Journal of Psychology & Psychological Therapy, 26(1), 105-118.