International congress on the occasion of the thirtieth anniversary of the associated schools project (Sofia, Bulgaria, 12-16 September 1983 final report
| Corporate Author: | International Congress on the Occasion of the Thirtieth Anniversary of the Associated Schools Project (-), Unesco |
|---|---|
| Format: | Book |
| Bahasa: | eng |
| Terbitan: |
Paris :
Unesco
, 1984
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| Subjects: |