PRESERVING NATURE AND ENVIROMENT IS THE DUTY OF EVERYONE. International Engineering Journal For Research & Development, [S. l.], v. 5, n. SPECIAL ISSUE, p. 2, 2020. DOI: 10.17605/OSF.IO/5T7V9. Disponível em: http://www.iejrd.com/index.php/iejrd/article/view/1446. Acesso em: 21 may. 2026.