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1 fev 2006 ano - ГОСТ Р 52656-2006.

Descrição:

Образовательные интернет-порталы федерального уровня. Общие требования;

Adicionado na linha do tempo:

Federal laws on distance education

ByАлексей

21 nov 2019

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0

325

Data:

1 fev 2006 ano

Agora

~ 19 years ago

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