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Umam, Ahmad Khoerul, Universitas Muhammadiyah Purworejo, Indonesia
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Surya Beton : Jurnal Ilmu Teknik Sipil Vol. 7 No. 2 (2023) - Articles
Analisis Indeks Kekeringan Menggunakan Metode Standarized Precipitation Index (SPI) dan Geographical Information System (GIS) pada Daerah Aliran Sungai Cokroyasan, Kabupaten Purworejo
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