S. de L. Pedroso, M. E. V. da Motta, M. T. M. Pacheco, M. E. Camargo, R. M. Gilioli, and A. C. Fachinelli, “Analysis of costs and return on investment in system integration in termination of pigs”, Pubvet, vol. 5, no. 35, Sep. 2015, doi: 10.22256/pubvet.v5n35.1225.