AL-QUYADI , A. M. An Analytical Study Of The Reasons For The Incomplete Teaching Of The English Textbook "Crescent" To Grade 2 Secondary School Students In Sana’a. Jazan University Journal of Human Sciences, [S. l.], v. 5, n. 1, p. 1–20, 2016. DOI: 10.63908/98qp7m58. Disponível em: https://journals.jazanu.edu.sa/ojs/index.php/JUJHS/article/view/191. Acesso em: 25 dec. 2025.