Harish, .Lutf Muhammad Yahya, and Abbas Saleh Musaad Al-Azab. “Sleep Disturbances for High School Students in Dhamar- The Republic of Yemen”. Journal of Arts 1, no. 7 (June 1, 2018): 231–268. Accessed November 22, 2024. https://journal.tu.edu.ye/index.php/artsmain/article/view/512.