@unpublished{repository3596,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
           title = {Bap,Presensi,Nilai Kalkulus TI 2F},
             url = {http://repository.uhamka.ac.id/id/eprint/3596/},
          author = {Heriyani, Oktarina}
}