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    Tatyana

    ts_arc, tutor Experience from 6 to 10 years Tatyana S., учитель химии
    Current subscription plan:
    GlobalLab Advanced
    Native languages:
    Russian
    Languages:
    English
    Subjects taught:
    Химия ОБЖ
    Interests:
    Education:
    РХТУ им.Д.И.Менделеева, кандидат химических наук
    About me: