Martins, M.R.S. and Silva, J.G.F. da 2015. The environmental management system based on ISO 14000: Importance of Instrument on the path of environmental sustainability. Revista Eletrônica em Gestão, Educação e Tecnologia Ambiental. 18, 4 (Feb. 2015), 1460–1466. DOI:https://doi.org/10.5902/2236117015206.