Конференция «Открытие» | Памятники г. Новомосковска
Пеккер Илья, Крыченкова Кира, Самсонов Степан, Ползиков Максим, учащиеся 3б класса
Научный руководитель: М.А. Кузнецова, , учитель начальных классо...
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