National beautification and cleanliness campaign landscaping ideas for plazas and parks. [Lay-out by National Media Production Center.
| 企业作者: | |
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Manila
Bureau of Print.]
1968.
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| 丛编: | Series no. 4 of its publications
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| 主题: |