@unpublished{repository2334,
           title = {BAP, Absensi, Nilai Mata Kuliah},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/2334/},
          author = {Dr. Betti Nuraini{,} M.M, Betti}
}