ABOU EL-SEOUD, Samir; EL-SOFANY, Hosam; GHALEB, Fayed; DAOUD, Sameh; AL JA’AM, Jihad; HASNA, Ahmad. XML and Databases for E-Learning Applications. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 2, n. 4, 2007. DOI: 10.3991/ijet.v2i4.190. Disponível em: https://online-journals.org/index.php/i-jet/article/view/190. Acesso em: 28 apr. 2024.