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ОБЖ (sep 1, 1991 – sep 1, 1991)
Description:
ОБЖ в виде специального курса был введен в общеобразовательных учебных заведениях в России
Added to timeline:
История развития образовательной области "БЖ"
By
Дионис Чеботарь
19 Dec 2017
0
0
620
Date:
sep 1, 1991
sep 1, 1991
~ 0 min
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