Ethical values included in biology textbooks for the secondary stage and methods of developing them from the point of view of teachers. Journal of the College of Basic Education, [S. l.], v. 18, n. 76, p. 691–710, 2023. DOI: 10.35950/cbej.v18i76.9436. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9436.. Acesso em: 20 jul. 2024.