AL-TOUAGI, Ahmad Abdul-Salam. The Level of Quality in Books of Physics at Secondary Stage from the Perspective of Physics Teachers in Aden Governorate. Humanities and Educational Sciences Journal, [S. l.], n. 2, p. 84–119, 2018. DOI: 10.55074/hesj.v0i2.11. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/11. Acesso em: 6 nov. 2026.