Yadollahpour, M., Fazeli kebria, M., & Amin, K. "Comparing the Effectiveness of Positive Psychology with an Islamic Approach and Acceptance and Commitment Therapy (ACT) on the Psychological Capital of Cardiovascular Patients", Community Health Journal, 13, 2, 2019, 11–22. doi: 10.22123/chj.2019.184822.1285