Zhisui lühua, weihu shengtai pingheng
'Plant trees and make green, protect the ecological balance'. Printno. 8081.13285.
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| Institution: | International Institute of Social History |
| Format: | IMAGE |
| Published: |
1983, March
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| Online Access: | http://hdl.handle.net/10622/38352D3B-E74A-4B38-96C5-7D2390F4FE21 |