@unpublished{repository2118,
           title = {Presensi, BAP, Nilai Kimia Dasar},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
          author = {Fitriani, Fitriani},
             url = {http://repository.uhamka.ac.id/id/eprint/2118/}
}