Environmental aspects of water supply management a case study of Legaspi City and its water supply [microform]
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| 格式: | Visual Material | 
| 出版: | 
        Quezon City
          University of the Philippines Library
    
        1982.
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| 主要作者: | |
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| 格式: | Visual Material | 
| 出版: | 
        Quezon City
          University of the Philippines Library
    
        1982.
     | 
| 主題: |