@unpublished{ITNYREPOID3787,
       publisher = {ITNY},
           title = {Bukti review korespondesni: Chemical Type Variation of Groundwater in Borobudur and Surroundings Area, Magelang District},
          author = {Listiyani Retno Astuti},
             url = {https://repository.itny.ac.id/id/eprint/3787/}
}