Obstacles to writing scientific research Writing among graduate students at Sana’a University: A Sociological Study. Sana’a University Journal of Human Sciences, [S. l.], v. 5, n. 1, p. 444–466, 2026. DOI: 10.59628/jhs.v5i1.2179. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/2179. Acesso em: 19 apr. 2026.