Baker, Mona. (2001) Routledge Encyclopedia of Translation Studies. Psychology Press, p. 518. ISBN 978-0-415-25517-2. “All this affected translation activities in Persian, seriously undermining the international character of the language. The problem was compounded in modern times by several factors, among them the realignment of Central Asian Persian, renamed Tajiki by the Soviet Union, with Uzbek and Russian languages, as well as the emergence of a language reform movement in Iran which paid no attention to the consequences of its pronouncements and actions for the language as a whole.”.
Classe, Olive. (2000) Encyclopedia of literary translation into English. Taylor & Francis, p. 1057. ISBN 1-884964-36-2. “Since the Arab conquest of the country in 7th century AD, many loan words have entered the language (which from this time has been written with a slightly modified version of the Arabic script) and the literature has been heavily influenced by the conventions of Arabic literature.”.