An assessment of NRM-20 as a guideline and as an enforcement tool to mine closure in Brazil.Published in:Rem: Revista Escola de Minas, 2014, v. 67, n. 4, p. 367, doi. 10.1590/0370-44672014670170By:de Lima, Hernani Mota;do Carmo Flores, José Cruz;Dias, Jardel CarvalhoPublication type:Article