Peranan enceng gondok (Eichhornia crassipes (Mart.) Solms) kiambang (Salvinia molesta D.S. Mitchell) dan tawas dalam penjernihan air sungai dan danau
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| Format: | Thesis |
| Published: |
[Yogyakarta] : Universitas Gadjah Mada
1993
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| Description not available. |