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ОБЖ (1 set 1991 ano – 1 set 1991 ano)

Descrição:

ОБЖ в виде специального курса был введен в общеобразовательных учебных заведениях в России

Adicionado na linha do tempo:

История развития образовательной области "БЖ"

ByДионис Чеботарь

19 dez 2017

0

0

626

Data:

1 set 1991 ano

1 set 1991 ano

~ 0 min

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