"Knowledge is the path that leads a person to greatness" - Alisher Navoiy
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Л.Н.Булгакова, И В.Зазаренко, В.В.Красных
А.Г.Евдокимова, В.Т.Балтаева
И.П.Кузьмич , Н.М.Лариохина
Д.С. Урусиков
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