Widyastuti, M.
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Vol 36, No 2 (2004): Indonesian Journal of Geography - Research Articles
Vulnerability assessment of groundwater to contamination using drastic method: Study in Ngemplak, Ngaglik and Sleman Districts of Sleman Regency, Yogyakarta Special Province
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Vol 44, No 1 (2012): Indonesian Journal of Geography - Research Articles
PHYSICAL WATER QUALITY RESPONSE TO RAINFALL OF BETON KARST SPRING AT GUNUNGKIDUL REGENCY - YOGYAKARTA INDONESIA
Abstract PDF