Books in the service of peace humanism and progress. [ Held in ] Moscow, September 12 - 15, 1972
| Corporate Authors: | United Nations Educational, Scientific and Cultural Organization (-) |
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| Format: | Book |
| Bahasa: | eng |
| Terbitan: |
[ Moscow :
1974
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| Physical Description: |
22 3 hlm. ; 20 cm |
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