The Level of Effectiveness of The in-service Qualification Program for teachers of Primary Grades (1-3) in the Faculty of Education at Sana’a University to their Professional Development. Sana’a University Journal of Human Sciences, [S. l.], v. 4, n. 10, p. 545–580, 2025. DOI: 10.59628/jhs.v4i10.1849. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/1849. Acesso em: 16 apr. 2026.