@unpublished{repository3730,
           title = {Bap, Absen Nilai FI Pbsi},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof.Dr.Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/3730/},
          author = {Irwan, Baadilla}
}