@unpublished{repository7640,
           title = {BAP, Presensi, Nilai Mata kuliah Penelitian Eksperimen},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof.DR.HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/7640/},
          author = {Ernawati, Ernawati}
}