Chemical characteristics of the waters of the Pampanga River and the Laguna de Bay as factors influencing their suitability for irrigation [microform]
| Hoofdauteur: | |
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| Formaat: | Visual Material |
| Taal: | Engels |
| Gepubliceerd in: |
Quezon City
Photoduplication Service, University of the Philippines Library
1974.
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| Onderwerpen: |