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1 gen 2011 anni - ГОСТ Р 53620-2009

Descrizione:

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

Aggiunto al nastro di tempo:

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ByСергей Ядренников

13 nov 2019

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444

Data:

1 gen 2011 anni

Adesso

~ 14 years ago

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