Mindanao and the Sulu Archipelago their natural resources and opportunities for development
| 主要作者: | |
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Manila
Bureau of Printing
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| 版: | 2nd rev. ed. |
| 丛编: | Bulletin Philippine Islands. Bureau of Agriculture
no.38 |
| 主题: |