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ОБЖ (1 sept. 1991 – 1 sept. 1991)

Description:

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

Ajouté au bande de temps:

История развития образовательной области "БЖ"

ByДионис Чеботарь
19 déc. 2017
0
0
627

Date:

1 sept. 1991
1 sept. 1991
~ 0 min
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