@unpublished{ITNYREPOID3958,
       publisher = {ITNY},
          author = {. Winarti},
           title = {Similarity: Karakteristik Endapan di Sekitar Kali Serang Kulon Progo, Yogyakarta},
             url = {https://repository.itny.ac.id/id/eprint/3958/}
}