@unpublished{repository6550,
           title = {BAP, Daftar Hadir, dan Nilai},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/6550/},
          author = {Abdul Rahman, Jupri}
}