@unpublished{repository9203,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof Dr HAMKA},
           title = {BAP Absensi Nilai Fungsi Peubah Kompleks 6A},
             url = {http://repository.uhamka.ac.id/id/eprint/9203/},
          author = {Khusna, Hikmatul}
}