Dobroruka, Vicente. 2020. “Ibn Fadlan and a By-Passed Remark on an Imaginary Geographical Topos: Some Observations on the Decreasing Factual Credibility Regarding the Caucasus Area of the Silk Road”. Esboços: Histórias Em Contextos Globais 27 (44):38-58. https://doi.org/10.5007/2175-7976.2020.e66883.