Mohammadi A, Aghamirmohammadali Z, Shabahang R, Bagheri Sheykhangafshe F, Savabi Niri V. Effectiveness of Grit Program on Capacity of Sustaining Effort and Interest for Long-Term Purposes, Mental Toughness, and Self-Efficacy of Students: An Interventional Study. J Child Ment Health 2023; 9 (4) :20-39 URL: http://childmentalhealth.ir/article-1-1045-en.html