MANSOURE, N. Content analysis of the environmental concepts contained within the biology book of the primary seventh grade. Tishreen University Journal- Arts and Humanities Sciences Series, [S. l.], v. 38, n. 6, 2017. Disponível em: https://journal.tishreen.edu.sy/index.php/humlitr/article/view/2413. Acesso em: 27 nov. 2024.