Christ GD, Alves LR, Eberhardt PH de C. Analysis of the export base in Paraná State Mesorregions from 2001 and 2021. Eco.Reg. [Internet]. 2023 Jul. 6 [cited 2025 Apr. 18];11(2):173-94. Available from: https://ojs.uel.br/revistas/uel/index.php/ecoreg/article/view/47225