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ОБЖ (1 sett 1991 anni – 1 sett 1991 anni)

Descrizione:

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

Aggiunto al nastro di tempo:

История развития образовательной области "БЖ"

ByДионис Чеботарь

19 dic 2017

0

0

630

Data:

1 sett 1991 anni

1 sett 1991 anni

~ 0 min

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