Effect of Different Sludge Concentrations in Allium cep L. Libyan Journal of Ecological & Environmental Sciences and Technology, [S. l.], v. 3, n. 1, p. A 6 – 13, 2021. DOI: 10.63359/6akp6x51. Disponível em: https://www.srcest.org.ly/journal/index.php/ljest/article/view/183. Acesso em: 25 sep. 2025.