P. Adelaide Gomes da Silva, D. Barbosa de Alencar, A. P. Tregue Costa, and A. Estanislau Sanches, “Proposed Preventive Maintenance in a Small Machinery Rental Company”, Int J Innov Educ Res, vol. 7, no. 11, pp. 829–836, Nov. 2019, doi: 10.31686/ijier.vol7.iss11.1939.