Statistical Study for Some Variables in Biological Treatment for Different Type of Wastes. Tikrit Journal of Engineering Sciences, [S. l.], v. 16, n. 3, p. 18–25, 2009. DOI: 10.25130/tjes.16.3.09. Disponível em: https://tj-es.com/ojs/index.php/tjes/article/view/614.. Acesso em: 9 sep. 2026.