Lopes, Luis Felipe Dias, Fransana Petter Machado, Fillipe Grando Lopes, Mauren Pimentel Lima, Vânia Medianeira Flores Costa, and Diana Della Mea da Silva. 2013. “An Analysis of the Marketing Environment of a Metal Mechanical Industry under the Porter’s Perspective”. Revista De Administração Da UFSM 6 (1):103-18. https://doi.org/10.5902/198346592966.