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1 feb 2009 anni - ГОСТ Р 53620-2009

Descrizione:

Информационно-коммуникационные технологии в образовании. Электронные образовательные ресурсы. Общие положения;

Aggiunto al nastro di tempo:

Federal laws on distance education

ByАлексей

21 nov 2019

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324

Data:

1 feb 2009 anni

Adesso

~ 16 years ago

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