KHALAF, M. M. Obstacles of Distance Learning during Corona Epidemic according to Middle School Social Studies’s Instructors in Salah al-Din Governorate. Journal of Tikrit University for Humanities, [S. l.], v. 30, n. 7, 1, p. 334–350, 2023. DOI: 10.25130/jtuh.30.7.1.2023.19. Disponível em: https://jtuh.org/index.php/jtuh/article/view/2633. Acesso em: 26 apr. 2026.