In their article "Googling in Russian Abroad: How Kremlin-Affiliated Websites Contribute to the Visibility of COVID-19 Conspiracy Theories in Search Results", Prof. Töpfl, Anna Ryzhova, Daria Kravets and Arista Beseler examine the influence of Russian websites on search query answers about COVID-19 in Russian and in English.
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https://ijoc.org/index.php/ijoc/article/view/19423/4042