Effect of Oily Sludge Land Treatment on Soil Conditions. European Journal of Engineering and Technology Research, [S. l.], v. 3, n. 9, p. 1–5, 2018. DOI: 10.24018/ejeng.2018.3.9.876. Disponível em: https://ej-eng.org/index.php/ejeng/article/view/876. Acesso em: 2 nov. 2025.