@unpublished{repository2980,
            note = {Unpublished},
           title = {BAP\_Presensi\_Daftar Nilai Kalkulus Integral 2D},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/2980/},
          author = {RIZKI DWI SISWANTO, RDS}
}