Campos, Rui Ribeiro de. “Visão De Vidal De La Blache a Respeito De Friedrich Ratzel / Vidal De La Blache’s View of Frederic Ratzel”. Sociedade & Natureza 26, no. 3 (November 24, 2014). Accessed July 22, 2024. https://seer.ufu.br/index.php/sociedadenatureza/article/view/26567.