Mohammadi М. Р., and Mortazavi С.-М. “Persian Loanwords in Russian Language and Their Lexical-Thematic Classification”. Issledovatel’skiy Zhurnal Russkogo Yazyka I Literatury, vol. 4, no. 2, Sept. 2016, pp. 69-84, https://www.journaliarll.ir/index.php/iarll/article/view/256.