@unpublished{repository19864,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {SK, BAP, Presensi, Nilai Mahasiswa Statistik Sosial 3G},
             url = {http://repository.uhamka.ac.id/id/eprint/19864/},
          author = {Tsurayya, Ayu}
}