@unpublished{ITNYREPOID3608,
           title = {Similarity: Spatial And Seasonal Variation Of Doline Water Hydrochemistry In West Gunungsewu Karst Area},
          author = {Listiyani Retno Astuti},
       publisher = {ITNY},
             url = {https://repository.itny.ac.id/id/eprint/3608/}
}