Barden, J. E., F. C. W. Sindelar, B. N. Buttenbender, and G. R. da Silva. “Water Footprint of in Natura Milk Production: An Analysis of the Main Producing Regions of Rio Grande Do Sul”. Revista De Administração Da UFSM, vol. 10, Dec. 2017, pp. 117-28, doi:10.5902/1983465925413.