Effect of various enhancers on the bioavailability of heavy metals and their accumulation in lettuce (Lactuca sativa L.). Bulgarian Journal of Soil Science, Agrochemistry and Ecology, [S. l.], v. 55, n. 2, p. 65–75, 2021. Disponível em: https://agriacad.eu/ojs/index.php/bjssae/article/view/1625.. Acesso em: 12 feb. 2026.