ÖZÇELIK, A.; ARIK, S. ATTITUDES OF SECONDARY SCHOOL STUDENTS TOWARDS SUSTAINABLE DEVELOPMENT. International Online Journal of Education and Teaching, [S. l.], v. 9, n. 4, p. 1987–2002, 2022. Disponível em: https://www.iojet.org/index.php/IOJET/article/view/1762. Acesso em: 11 jan. 2026.