Al-Mahrouqi, Mohammed. “Psychological Happiness and Its Relation to the Achievement of Students in Grades 9 and 10 In Adam State AI-Dakhilia Governorate. ”. Ibn Khaldoun Journal for Studies and Researches 5, no. 8 (August 1, 2025). Accessed May 17, 2026. https://www.benkjournal.com/benkj/article/view/1536.