Hosseinzadeh Moghadam, N. et al. 2025. Comparison of the Effectiveness of Acceptance and Commitment Therapy and Unified Transdiagnostic Treatment on Cognitive Flexibility in Nurses with Post-Traumatic Stress Symptoms (PTSD) Caused by COVID-19 Infection. KMAN Counseling & Psychology Nexus. 3, (Jul. 2025), 1–9. DOI:https://doi.org/10.61838/kman.cp.psynexus.3.18.