Oldoni, André, Roger Toscan Spagnolo, César Silva de Morais, Marco Aurélio Nunes da Rocha, Antônio Lilles Tavares Machado, e í‚ngelo Vieira dos Reis. 2017. “<B>Safety Index for Agricultural Tractors”. Acta Scientiarum. Technology 39 (1):9-15. https://doi.org/10.4025/actascitechnol.v39i1.27359.