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21
The research system comparative survey of the organization and financing of fundamental research
Được phát hành 1972Sách -
22
The research system comparative survey of the organization and financing of fundamental research
Được phát hành 1972Sách -
23
Experimental education for pupils aged 10-14 european research in curriculum and evaluation
Được phát hành 1971Sách -
24
A survey of regional planning research activities in Western Europe and Yugoslavia.
Được phát hành 1971Sách -
25
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26
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27
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28
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29