Fraga, Nilson Cesar. “Expediente GEOGRAPHIA OPPORTUNO TEMPORE - V. 6, N. 1 (2020)”. Geographia Opportuno Tempore 6, no. 1 (abril 22, 2020): 1–8. Acessado dezembro 18, 2024. https://ojs.uel.br/revistas/uel/index.php/Geographia/article/view/39936.