@unpublished{repository47946,
       publisher = {Universitas Muhammadiyah Prof. DR HAMKA},
           title = {Modul Indeks Penyapihan},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/47946/},
          author = {Ony Linda, Ony}
}