LOCIS, Ivars. Control of Heavy Metal Pollution in Degraded Rural Areas. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 30–33, 2015. DOI: 10.17770/etr2013vol3.875. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/875.. Acesso em: 2 may. 2024.