@unpublished{repository2828,
           title = {BAP,Absen,Nilai Persamaan Diferensial 4E},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof.DR.HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/2828/},
          author = {Faradillah, Ayu}
}