YAKUP DOĞAN. PERCEPTIONS OF MIDDLE SCHOOL STUDENTS ABOUT ENVIRONMENTAL PROBLEMS, AND THEIR CAUSES AND SOLUTIONS. International Journal of Eurasia Social Sciences , [S. l.], v. 8, n. 29, p. 787–804, 2017. Disponível em: https://rrpubs.com/index.php/ijoess/article/view/967. Acesso em: 17 may. 2025.