YASIN, A. . . Environmental Tendencies and Practices of Secondary School Students On-Field Study, Lattakia City. 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/2391. Acesso em: 21 may. 2024.