Widyastuti, M.

• 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
  Abstract
• 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

ISSN 2354-9114 (online), ISSN 0024-9521 (print)