Экологический урок “Новые методы борьбы с “Мусорным монстром“ (из серии “Разделяй с нами“)
Урок проведен: г.
Место проведения: МОУ-СОШ № 16 г.о. Клин Московская область
Преподаватель: Сафронова Ольга Викторовна
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