Perpustakaan UGM, i. (2004). Vulnerability assessment of groundwater to contamination using drastic method: Study in Ngemplak, Ngaglik and Sleman Districts of Sleman Regency, Yogyakarta Special Province. [Yogyakarta] : Universitas Gadjah Mada.
Chicago Style (17th ed.) CitationPerpustakaan UGM, i-lib. Vulnerability Assessment of Groundwater to Contamination Using Drastic Method: Study in Ngemplak, Ngaglik and Sleman Districts of Sleman Regency, Yogyakarta Special Province. [Yogyakarta] : Universitas Gadjah Mada, 2004.
MLA (9th ed.) CitationPerpustakaan UGM, i-lib. Vulnerability Assessment of Groundwater to Contamination Using Drastic Method: Study in Ngemplak, Ngaglik and Sleman Districts of Sleman Regency, Yogyakarta Special Province. [Yogyakarta] : Universitas Gadjah Mada, 2004.