Tramontini, Cecilia Menchon, Rejane Machado Cardozo, and Jailson de Oliveira Arieira. 2018. “Identification of Productive Systems of Beef Cattle in the Northwest Region of Paraná, Brazil”. Semina: Ciências Agrárias 39 (3):1319-26. https://doi.org/10.5433/1679-0359.2018v39n3p1319.