عبد الوهاب مصطفى خالد. THE IMPACT OF ENVIROMENTAL TEACHING ON COLLAGE STUDENT’S KNOWLEDGE, ATTITDUDES AND SKILLS. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 21, n. 6, p. Ar 1–13, 2017. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/480.. Acesso em: 9 may. 2025.