AL-MAYTTAH, M. . . The level of positive thinking among the first secondary graders / Science Branch. Latakia University Journal - Arts and Humanities Sciences Series, [S. l.], v. 41, n. 5, 2019. Disponível em: https://journal.latakia-univ.edu.sy/index.php/humlitr/article/view/9067. Acesso em: 30 jul. 2025.