The biodegradability of leachates from a landfill using an activated sludge processes plug flow reactor system. Orinoquia, [S. l.], v. 24, n. 2, p. 99–109, 2020. DOI: 10.22579/20112629.633. Disponível em: https://orinoquia.desarrollo-ojs1.metadatos.org/index.php/orinoquia/article/view/633. Acesso em: 15 apr. 2026.