Mohammadpour, Mansoureh, and Mohammadreza Esmaeilnia Ghara. “The Effectiveness of Positive Thinking Skills on Guilt Feelings, Rumination, and Hope for Life in the Elderly”. Mental Health and Lifestyle Journal (July 1, 2026): 1–12. Accessed May 27, 2026. https://mhljournal.com/index.php/mhlj/article/view/210.