An Online Content Based Email Attachments Retrieval System. Kurdistan Journal of Applied Research, [S. l.], v. 2, n. 1, p. 68–73, 2017. DOI: 10.24017/science.2017.1.12. Disponível em: https://kjar.spu.edu.iq/index.php/kjar/article/view/41.. Acesso em: 8 aug. 2025.