Hantool A. Research Self-Efficiency and Its Relationship to Psychological hardness and Hope Among GraduateStudents in Jazan University. JUJHS [Internet]. 2020 Jul. 15 [cited 2025 Dec. 23];9(1):13-40. Available from: https://journals.jazanu.edu.sa/ojs/index.php/JUJHS/article/view/237