@unpublished{ITNYREPOID3316,
          author = {Listiyani Retno Astuti},
           title = {Similarity: Quantitative Geomorphology Of Landform At Samigaluh And Surrounding Area, West Progo, Central Java, Indonesia},
       publisher = {ITNY},
             url = {https://repository.itny.ac.id/id/eprint/3316/}
}