Opak River Basin is an area with high concentration of settlement. Generally, the settlement use groundwater

1 SISTEM AKUIFER DAN POTENSI AIRTANAH DAERAH ALIRAN SUNGAI (DAS) OPAK Setyawan Purnama, Suyono, dan Budi Sulaswono Fakultas Geografi, Universitas Gadj...
Author:  Widya Sutedja

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