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Foreign LanguageLanguage TeachingEnglish LanguageForeign Language TeachingRussian LanguageForeign LanguagesTeaching of PortugueseLearning ProcessRussian as a Foreign LanguageIntercultural CommunicationSpanish LanguageLanguage LearningSecond LanguageLanguage and CultureTatar LanguagePortuguese LanguageNative SpeakersEducational ProcessTeacher EducationModern Linguistics