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Buana, Satrya Aji Septa and Hendrasari, Ratna Septi (2021) ANALISIS KUALITAS DAN RENCANA PEMANFAATAN MATA AIR DI UMBUL SIDOMULYO QUALITY ANALYSIS AND UTILIZATION PLAN OF THE SPRING IN UMBUL SIDOMULYO. Tugas Akhir thesis, University Technology Yogyakarta.