1. Petkun Olga
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    Petkun Olga

    bluz135, tutor Experience more than 15 years Петкун Ольга
    Awards:
    5
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    Current subscription plan:
    GlobalLab Starter
    Native languages:
    Sakha
    Languages:
    Subjects taught:
    естествознание География Экология психология
    Interests:
    садоводство, траволечение
    Education:
    Высшее ,НГПИ ,НГПУ
    About me:
  2. Participated in 6 units