Effect of the added Spent Engine Oil levels and Fermented Sheep Manure on some Properties of Gypsiferous Soil. Euphrates journal of agricultural science, [S. l.], v. 18, n. 3, 2026. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/396. Acesso em: 2 nov. 2026.